diff --git a/libs/tiff/Makefile b/libs/tiff/Makefile
index bccab8bf49..f080b2af22 100644
--- a/libs/tiff/Makefile
+++ b/libs/tiff/Makefile
@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2006-2014 OpenWrt.org
+# Copyright (C) 2006-2018 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=tiff
-PKG_VERSION:=4.0.3
-PKG_RELEASE:=4
+PKG_VERSION:=4.0.9
+PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=http://download.osgeo.org/libtiff
-PKG_MD5SUM:=051c1068e6a0627f461948c365290410
+PKG_MD5SUM:=54bad211279cc93eb4fca31ba9bfdc79
 
 PKG_FIXUP:=autoreconf
 PKG_REMOVE_FILES:=autogen.sh aclocal.m4
@@ -31,7 +31,7 @@ include $(INCLUDE_DIR)/package.mk
 define Package/tiff/Default
   TITLE:=TIFF
   URL:=http://www.remotesensing.org/libtiff/
-  MAINTAINER:=Jiri Slachta <slachta@cesnet.cz>
+  MAINTAINER:=Jiri Slachta <jiri@slachta.eu>
 endef
 
 define Package/libtiff
diff --git a/libs/tiff/patches/001-autoconf-compat.patch b/libs/tiff/patches/001-autoconf-compat.patch
index c7c0dfccd2..b10286e06f 100644
--- a/libs/tiff/patches/001-autoconf-compat.patch
+++ b/libs/tiff/patches/001-autoconf-compat.patch
@@ -9,9 +9,9 @@
  ACLOCAL_AMFLAGS = -I m4
  
  docfiles = \
-@@ -48,7 +48,7 @@ EXTRA_DIST = \
- 
- dist_doc_DATA = $(docfiles)
+@@ -61,7 +61,7 @@ distcheck-hook:
+ 	rm -rf $(distdir)/_build/cmake
+ 	rm -rf $(distdir)/_inst/cmake
  
 -SUBDIRS = port libtiff tools build contrib test man html
 +SUBDIRS = port libtiff tools build contrib
diff --git a/libs/tiff/patches/005-fix-ftell-macro.patch b/libs/tiff/patches/005-fix-ftell-macro.patch
new file mode 100644
index 0000000000..23e1e039a5
--- /dev/null
+++ b/libs/tiff/patches/005-fix-ftell-macro.patch
@@ -0,0 +1,11 @@
+--- a/libtiff/tiffiop.h
++++ b/libtiff/tiffiop.h
+@@ -287,7 +287,7 @@ struct tiff {
+ */
+ #if defined(HAVE_FSEEKO)
+ #  define fseek(stream,offset,whence)  fseeko(stream,offset,whence)
+-#  define ftell(stream,offset,whence)  ftello(stream,offset,whence)
++#  define ftell(stream)  ftello(stream)
+ #endif
+ #endif
+ #if defined(__WIN32__) && \
diff --git a/libs/tiff/patches/010-CVE-2012-4564.patch b/libs/tiff/patches/010-CVE-2012-4564.patch
deleted file mode 100644
index 7783353ee4..0000000000
--- a/libs/tiff/patches/010-CVE-2012-4564.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-Index: tiff-4.0.3/tools/ppm2tiff.c
-===================================================================
---- tiff-4.0.3.orig/tools/ppm2tiff.c	2013-06-23 10:36:50.779629492 -0400
-+++ tiff-4.0.3/tools/ppm2tiff.c	2013-06-23 10:36:50.775629494 -0400
-@@ -89,6 +89,7 @@
- 	int c;
- 	extern int optind;
- 	extern char* optarg;
-+	tmsize_t scanline_size;
- 
- 	if (argc < 2) {
- 	    fprintf(stderr, "%s: Too few arguments\n", argv[0]);
-@@ -237,8 +238,16 @@
- 	}
- 	if (TIFFScanlineSize(out) > linebytes)
- 		buf = (unsigned char *)_TIFFmalloc(linebytes);
--	else
--		buf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(out));
-+	else {
-+		scanline_size = TIFFScanlineSize(out);
-+		if (scanline_size != 0)
-+			buf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(out));
-+		else {
-+			fprintf(stderr, "%s: scanline size overflow\n",infile);
-+			(void) TIFFClose(out);
-+			exit(-2);
-+			}
-+		}
- 	if (resolution > 0) {
- 		TIFFSetField(out, TIFFTAG_XRESOLUTION, resolution);
- 		TIFFSetField(out, TIFFTAG_YRESOLUTION, resolution);
diff --git a/libs/tiff/patches/011-CVE-2013-1960.patch b/libs/tiff/patches/011-CVE-2013-1960.patch
deleted file mode 100644
index 3bf15f1905..0000000000
--- a/libs/tiff/patches/011-CVE-2013-1960.patch
+++ /dev/null
@@ -1,146 +0,0 @@
-Index: tiff-4.0.3/tools/tiff2pdf.c
-===================================================================
---- tiff-4.0.3.orig/tools/tiff2pdf.c	2013-06-23 10:36:50.979629486 -0400
-+++ tiff-4.0.3/tools/tiff2pdf.c	2013-06-23 10:36:50.975629486 -0400
-@@ -3341,33 +3341,56 @@
- 	uint32 height){
- 
- 	tsize_t i=0;
--	uint16 ri =0;
--	uint16 v_samp=1;
--	uint16 h_samp=1;
--	int j=0;
--	
--	i++;
--	
--	while(i<(*striplength)){
-+
-+	while (i < *striplength) {
-+		tsize_t datalen;
-+		uint16 ri;
-+		uint16 v_samp;
-+		uint16 h_samp;
-+		int j;
-+		int ncomp;
-+
-+		/* marker header: one or more FFs */
-+		if (strip[i] != 0xff)
-+			return(0);
-+		i++;
-+		while (i < *striplength && strip[i] == 0xff)
-+			i++;
-+		if (i >= *striplength)
-+			return(0);
-+		/* SOI is the only pre-SOS marker without a length word */
-+		if (strip[i] == 0xd8)
-+			datalen = 0;
-+		else {
-+			if ((*striplength - i) <= 2)
-+				return(0);
-+			datalen = (strip[i+1] << 8) | strip[i+2];
-+			if (datalen < 2 || datalen >= (*striplength - i))
-+				return(0);
-+		}
- 		switch( strip[i] ){
--			case 0xd8:
--				/* SOI - start of image */
-+			case 0xd8:	/* SOI - start of image */
- 				_TIFFmemcpy(&(buffer[*bufferoffset]), &(strip[i-1]), 2);
- 				*bufferoffset+=2;
--				i+=2;
- 				break;
--			case 0xc0:
--			case 0xc1:
--			case 0xc3:
--			case 0xc9:
--			case 0xca:
-+			case 0xc0:	/* SOF0 */
-+			case 0xc1:	/* SOF1 */
-+			case 0xc3:	/* SOF3 */
-+			case 0xc9:	/* SOF9 */
-+			case 0xca:	/* SOF10 */
- 				if(no==0){
--					_TIFFmemcpy(&(buffer[*bufferoffset]), &(strip[i-1]), strip[i+2]+2);
--					for(j=0;j<buffer[*bufferoffset+9];j++){
--						if( (buffer[*bufferoffset+11+(2*j)]>>4) > h_samp) 
--							h_samp = (buffer[*bufferoffset+11+(2*j)]>>4);
--						if( (buffer[*bufferoffset+11+(2*j)] & 0x0f) > v_samp) 
--							v_samp = (buffer[*bufferoffset+11+(2*j)] & 0x0f);
-+					_TIFFmemcpy(&(buffer[*bufferoffset]), &(strip[i-1]), datalen+2);
-+					ncomp = buffer[*bufferoffset+9];
-+					if (ncomp < 1 || ncomp > 4)
-+						return(0);
-+					v_samp=1;
-+					h_samp=1;
-+					for(j=0;j<ncomp;j++){
-+						uint16 samp = buffer[*bufferoffset+11+(3*j)];
-+						if( (samp>>4) > h_samp) 
-+							h_samp = (samp>>4);
-+						if( (samp & 0x0f) > v_samp) 
-+							v_samp = (samp & 0x0f);
- 					}
- 					v_samp*=8;
- 					h_samp*=8;
-@@ -3381,45 +3404,43 @@
-                                           (unsigned char) ((height>>8) & 0xff);
- 					buffer[*bufferoffset+6]=
-                                             (unsigned char) (height & 0xff);
--					*bufferoffset+=strip[i+2]+2;
--					i+=strip[i+2]+2;
--
-+					*bufferoffset+=datalen+2;
-+					/* insert a DRI marker */
- 					buffer[(*bufferoffset)++]=0xff;
- 					buffer[(*bufferoffset)++]=0xdd;
- 					buffer[(*bufferoffset)++]=0x00;
- 					buffer[(*bufferoffset)++]=0x04;
- 					buffer[(*bufferoffset)++]=(ri >> 8) & 0xff;
- 					buffer[(*bufferoffset)++]= ri & 0xff;
--				} else {
--					i+=strip[i+2]+2;
- 				}
- 				break;
--			case 0xc4:
--			case 0xdb:
--				_TIFFmemcpy(&(buffer[*bufferoffset]), &(strip[i-1]), strip[i+2]+2);
--				*bufferoffset+=strip[i+2]+2;
--				i+=strip[i+2]+2;
-+			case 0xc4: /* DHT */
-+			case 0xdb: /* DQT */
-+				_TIFFmemcpy(&(buffer[*bufferoffset]), &(strip[i-1]), datalen+2);
-+				*bufferoffset+=datalen+2;
- 				break;
--			case 0xda:
-+			case 0xda: /* SOS */
- 				if(no==0){
--					_TIFFmemcpy(&(buffer[*bufferoffset]), &(strip[i-1]), strip[i+2]+2);
--					*bufferoffset+=strip[i+2]+2;
--					i+=strip[i+2]+2;
-+					_TIFFmemcpy(&(buffer[*bufferoffset]), &(strip[i-1]), datalen+2);
-+					*bufferoffset+=datalen+2;
- 				} else {
- 					buffer[(*bufferoffset)++]=0xff;
- 					buffer[(*bufferoffset)++]=
-                                             (unsigned char)(0xd0 | ((no-1)%8));
--					i+=strip[i+2]+2;
- 				}
--				_TIFFmemcpy(&(buffer[*bufferoffset]), &(strip[i-1]), (*striplength)-i-1);
--				*bufferoffset+=(*striplength)-i-1;
-+				i += datalen + 1;
-+				/* copy remainder of strip */
-+				_TIFFmemcpy(&(buffer[*bufferoffset]), &(strip[i]), *striplength - i);
-+				*bufferoffset+= *striplength - i;
- 				return(1);
- 			default:
--				i+=strip[i+2]+2;
-+				/* ignore any other marker */
-+				break;
- 		}
-+		i += datalen + 1;
- 	}
--	
- 
-+	/* failed to find SOS marker */
- 	return(0);
- }
- #endif
diff --git a/libs/tiff/patches/012-CVE-2013-1961.patch b/libs/tiff/patches/012-CVE-2013-1961.patch
deleted file mode 100644
index 2d1268ee99..0000000000
--- a/libs/tiff/patches/012-CVE-2013-1961.patch
+++ /dev/null
@@ -1,768 +0,0 @@
-Index: tiff-4.0.3/contrib/dbs/xtiff/xtiff.c
-===================================================================
---- tiff-4.0.3.orig/contrib/dbs/xtiff/xtiff.c	2013-06-23 10:36:51.163629483 -0400
-+++ tiff-4.0.3/contrib/dbs/xtiff/xtiff.c	2013-06-23 10:36:51.147629484 -0400
-@@ -512,9 +512,9 @@
-     Arg args[1];
- 
-     if (tfMultiPage)
--        sprintf(buffer, "%s - page %d", fileName, tfDirectory);
-+        snprintf(buffer, sizeof(buffer), "%s - page %d", fileName, tfDirectory);
-     else
--        strcpy(buffer, fileName);
-+        snprintf(buffer, sizeof(buffer), "%s", fileName);
-     XtSetArg(args[0], XtNlabel, buffer);
-     XtSetValues(labelWidget, args, 1);
- }
-Index: tiff-4.0.3/libtiff/tif_dirinfo.c
-===================================================================
---- tiff-4.0.3.orig/libtiff/tif_dirinfo.c	2013-06-23 10:36:51.163629483 -0400
-+++ tiff-4.0.3/libtiff/tif_dirinfo.c	2013-06-23 10:36:51.147629484 -0400
-@@ -711,7 +711,7 @@
- 	 * note that this name is a special sign to TIFFClose() and
- 	 * _TIFFSetupFields() to free the field
- 	 */
--	sprintf(fld->field_name, "Tag %d", (int) tag);
-+	snprintf(fld->field_name, 32, "Tag %d", (int) tag);
- 
- 	return fld;    
- }
-Index: tiff-4.0.3/libtiff/tif_codec.c
-===================================================================
---- tiff-4.0.3.orig/libtiff/tif_codec.c	2013-06-23 10:36:51.163629483 -0400
-+++ tiff-4.0.3/libtiff/tif_codec.c	2013-06-23 10:36:51.151629482 -0400
-@@ -108,7 +108,8 @@
- 	const TIFFCodec* c = TIFFFindCODEC(tif->tif_dir.td_compression);
-         char compression_code[20];
-         
--        sprintf( compression_code, "%d", tif->tif_dir.td_compression );
-+        snprintf(compression_code, sizeof(compression_code), "%d",
-+		 tif->tif_dir.td_compression );
- 	TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
-                      "%s compression support is not configured", 
-                      c ? c->name : compression_code );
-Index: tiff-4.0.3/tools/tiffdither.c
-===================================================================
---- tiff-4.0.3.orig/tools/tiffdither.c	2013-06-23 10:36:51.163629483 -0400
-+++ tiff-4.0.3/tools/tiffdither.c	2013-06-23 10:36:51.151629482 -0400
-@@ -260,7 +260,7 @@
- 		TIFFSetField(out, TIFFTAG_FILLORDER, fillorder);
- 	else
- 		CopyField(TIFFTAG_FILLORDER, shortv);
--	sprintf(thing, "Dithered B&W version of %s", argv[optind]);
-+	snprintf(thing, sizeof(thing), "Dithered B&W version of %s", argv[optind]);
- 	TIFFSetField(out, TIFFTAG_IMAGEDESCRIPTION, thing);
- 	CopyField(TIFFTAG_PHOTOMETRIC, shortv);
- 	CopyField(TIFFTAG_ORIENTATION, shortv);
-Index: tiff-4.0.3/tools/rgb2ycbcr.c
-===================================================================
---- tiff-4.0.3.orig/tools/rgb2ycbcr.c	2013-06-23 10:36:51.163629483 -0400
-+++ tiff-4.0.3/tools/rgb2ycbcr.c	2013-06-23 10:36:51.151629482 -0400
-@@ -332,7 +332,8 @@
- 	TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
- 	{ char buf[2048];
- 	  char *cp = strrchr(TIFFFileName(in), '/');
--	  sprintf(buf, "YCbCr conversion of %s", cp ? cp+1 : TIFFFileName(in));
-+	  snprintf(buf, sizeof(buf), "YCbCr conversion of %s",
-+		   cp ? cp+1 : TIFFFileName(in));
- 	  TIFFSetField(out, TIFFTAG_IMAGEDESCRIPTION, buf);
- 	}
- 	TIFFSetField(out, TIFFTAG_SOFTWARE, TIFFGetVersion());
-Index: tiff-4.0.3/tools/tiff2pdf.c
-===================================================================
---- tiff-4.0.3.orig/tools/tiff2pdf.c	2013-06-23 10:36:51.163629483 -0400
-+++ tiff-4.0.3/tools/tiff2pdf.c	2013-06-23 10:36:51.151629482 -0400
-@@ -3630,7 +3630,9 @@
- 	char buffer[16];
- 	int buflen=0;
- 	
--	buflen=sprintf(buffer, "%%PDF-%u.%u ", t2p->pdf_majorversion&0xff, t2p->pdf_minorversion&0xff);
-+	buflen = snprintf(buffer, sizeof(buffer), "%%PDF-%u.%u ",
-+			  t2p->pdf_majorversion&0xff,
-+			  t2p->pdf_minorversion&0xff);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t)"\n%\342\343\317\323\n", 7);
- 
-@@ -3644,10 +3646,10 @@
- tsize_t t2p_write_pdf_obj_start(uint32 number, TIFF* output){
- 
- 	tsize_t written=0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen=0;
- 
--	buflen=sprintf(buffer, "%lu", (unsigned long)number);
-+	buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)number);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen );
- 	written += t2pWriteFile(output, (tdata_t) " 0 obj\n", 7);
- 
-@@ -3686,13 +3688,13 @@
- 	written += t2pWriteFile(output, (tdata_t) "/", 1);
- 	for (i=0;i<namelen;i++){
- 		if ( ((unsigned char)name[i]) < 0x21){
--			sprintf(buffer, "#%.2X", name[i]);
-+			snprintf(buffer, sizeof(buffer), "#%.2X", name[i]);
- 			buffer[sizeof(buffer) - 1] = '\0';
- 			written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 			nextchar=1;
- 		}
- 		if ( ((unsigned char)name[i]) > 0x7E){
--			sprintf(buffer, "#%.2X", name[i]);
-+			snprintf(buffer, sizeof(buffer), "#%.2X", name[i]);
- 			buffer[sizeof(buffer) - 1] = '\0';
- 			written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 			nextchar=1;
-@@ -3700,57 +3702,57 @@
- 		if (nextchar==0){
- 			switch (name[i]){
- 				case 0x23:
--					sprintf(buffer, "#%.2X", name[i]);
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]);
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x25:
--					sprintf(buffer, "#%.2X", name[i]);
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]);
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x28:
--					sprintf(buffer, "#%.2X", name[i]);
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]);
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x29:
--					sprintf(buffer, "#%.2X", name[i]); 
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]); 
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x2F:
--					sprintf(buffer, "#%.2X", name[i]); 
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]); 
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x3C:
--					sprintf(buffer, "#%.2X", name[i]); 
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]); 
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x3E:
--					sprintf(buffer, "#%.2X", name[i]);
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]);
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x5B:
--					sprintf(buffer, "#%.2X", name[i]); 
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]); 
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x5D:
--					sprintf(buffer, "#%.2X", name[i]);
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]);
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x7B:
--					sprintf(buffer, "#%.2X", name[i]); 
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]); 
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
- 				case 0x7D:
--					sprintf(buffer, "#%.2X", name[i]); 
-+					snprintf(buffer, sizeof(buffer), "#%.2X", name[i]); 
- 					buffer[sizeof(buffer) - 1] = '\0';
- 					written += t2pWriteFile(output, (tdata_t) buffer, 3);
- 					break;
-@@ -3865,14 +3867,14 @@
- tsize_t t2p_write_pdf_stream_dict(tsize_t len, uint32 number, TIFF* output){
- 	
- 	tsize_t written=0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen=0;
- 	
- 	written += t2pWriteFile(output, (tdata_t) "/Length ", 8);
- 	if(len!=0){
- 		written += t2p_write_pdf_stream_length(len, output);
- 	} else {
--		buflen=sprintf(buffer, "%lu", (unsigned long)number);
-+		buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)number);
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) " 0 R \n", 6);
- 	}
-@@ -3913,10 +3915,10 @@
- tsize_t t2p_write_pdf_stream_length(tsize_t len, TIFF* output){
- 
- 	tsize_t written=0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen=0;
- 
--	buflen=sprintf(buffer, "%lu", (unsigned long)len);
-+	buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)len);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) "\n", 1);
- 
-@@ -3930,7 +3932,7 @@
- tsize_t t2p_write_pdf_catalog(T2P* t2p, TIFF* output)
- {
- 	tsize_t written = 0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen = 0;
- 
- 	written += t2pWriteFile(output, 
-@@ -3969,7 +3971,6 @@
- 		written += t2p_write_pdf_string(t2p->pdf_datetime, output);
- 	}
- 	written += t2pWriteFile(output, (tdata_t) "\n/Producer ", 11);
--	_TIFFmemset((tdata_t)buffer, 0x00, sizeof(buffer));
- 	snprintf(buffer, sizeof(buffer), "libtiff / tiff2pdf - %d", TIFFLIB_VERSION);
- 	written += t2p_write_pdf_string(buffer, output);
- 	written += t2pWriteFile(output, (tdata_t) "\n", 1);
-@@ -4110,7 +4111,7 @@
- {
- 	tsize_t written=0;
- 	tdir_t i=0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen=0;
- 
- 	int page=0;
-@@ -4118,7 +4119,7 @@
- 		(tdata_t) "<< \n/Type /Pages \n/Kids [ ", 26);
- 	page = t2p->pdf_pages+1;
- 	for (i=0;i<t2p->tiff_pagecount;i++){
--		buflen=sprintf(buffer, "%d", page);
-+		buflen=snprintf(buffer, sizeof(buffer), "%d", page);
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) " 0 R ", 5);
- 		if ( ((i+1)%8)==0 ) {
-@@ -4133,8 +4134,7 @@
- 		}
- 	}
- 	written += t2pWriteFile(output, (tdata_t) "] \n/Count ", 10);
--	_TIFFmemset(buffer, 0x00, 16);
--	buflen=sprintf(buffer, "%d", t2p->tiff_pagecount);
-+	buflen=snprintf(buffer, sizeof(buffer), "%d", t2p->tiff_pagecount);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) " \n>> \n", 6);
- 
-@@ -4149,28 +4149,28 @@
- 
- 	unsigned int i=0;
- 	tsize_t written=0;
--	char buffer[16];
-+	char buffer[256];
- 	int buflen=0;
- 
- 	written += t2pWriteFile(output, (tdata_t) "<<\n/Type /Page \n/Parent ", 24);
--	buflen=sprintf(buffer, "%lu", (unsigned long)t2p->pdf_pages);
-+	buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)t2p->pdf_pages);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) " 0 R \n", 6);
- 	written += t2pWriteFile(output, (tdata_t) "/MediaBox [", 11); 
--	buflen=sprintf(buffer, "%.4f",t2p->pdf_mediabox.x1);
-+	buflen=snprintf(buffer, sizeof(buffer), "%.4f",t2p->pdf_mediabox.x1);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) " ", 1); 
--	buflen=sprintf(buffer, "%.4f",t2p->pdf_mediabox.y1);
-+	buflen=snprintf(buffer, sizeof(buffer), "%.4f",t2p->pdf_mediabox.y1);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) " ", 1); 
--	buflen=sprintf(buffer, "%.4f",t2p->pdf_mediabox.x2);
-+	buflen=snprintf(buffer, sizeof(buffer), "%.4f",t2p->pdf_mediabox.x2);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) " ", 1); 
--	buflen=sprintf(buffer, "%.4f",t2p->pdf_mediabox.y2);
-+	buflen=snprintf(buffer, sizeof(buffer), "%.4f",t2p->pdf_mediabox.y2);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) "] \n", 3); 
- 	written += t2pWriteFile(output, (tdata_t) "/Contents ", 10);
--	buflen=sprintf(buffer, "%lu", (unsigned long)(object + 1));
-+	buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)(object + 1));
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) " 0 R \n", 6);
- 	written += t2pWriteFile(output, (tdata_t) "/Resources << \n", 15);
-@@ -4178,15 +4178,13 @@
- 		written += t2pWriteFile(output, (tdata_t) "/XObject <<\n", 12);
- 		for(i=0;i<t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount;i++){
- 			written += t2pWriteFile(output, (tdata_t) "/Im", 3);
--			buflen = sprintf(buffer, "%u", t2p->pdf_page+1);
-+			buflen = snprintf(buffer, sizeof(buffer), "%u", t2p->pdf_page+1);
- 			written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 			written += t2pWriteFile(output, (tdata_t) "_", 1);
--			buflen = sprintf(buffer, "%u", i+1);
-+			buflen = snprintf(buffer, sizeof(buffer), "%u", i+1);
- 			written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 			written += t2pWriteFile(output, (tdata_t) " ", 1);
--			buflen = sprintf(
--				buffer, 
--				"%lu", 
-+			buflen = snprintf(buffer, sizeof(buffer), "%lu",
- 				(unsigned long)(object+3+(2*i)+t2p->tiff_pages[t2p->pdf_page].page_extra)); 
- 			written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 			written += t2pWriteFile(output, (tdata_t) " 0 R ", 5);
-@@ -4198,12 +4196,10 @@
- 	} else {
- 			written += t2pWriteFile(output, (tdata_t) "/XObject <<\n", 12);
- 			written += t2pWriteFile(output, (tdata_t) "/Im", 3);
--			buflen = sprintf(buffer, "%u", t2p->pdf_page+1);
-+			buflen = snprintf(buffer, sizeof(buffer), "%u", t2p->pdf_page+1);
- 			written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 			written += t2pWriteFile(output, (tdata_t) " ", 1);
--			buflen = sprintf(
--				buffer, 
--				"%lu", 
-+			buflen = snprintf(buffer, sizeof(buffer), "%lu",
- 				(unsigned long)(object+3+(2*i)+t2p->tiff_pages[t2p->pdf_page].page_extra)); 
- 			written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 			written += t2pWriteFile(output, (tdata_t) " 0 R ", 5);
-@@ -4212,9 +4208,7 @@
- 	if(t2p->tiff_transferfunctioncount != 0) {
- 		written += t2pWriteFile(output, (tdata_t) "/ExtGState <<", 13);
- 		t2pWriteFile(output, (tdata_t) "/GS1 ", 5);
--		buflen = sprintf(
--			buffer, 
--			"%lu", 
-+		buflen = snprintf(buffer, sizeof(buffer), "%lu",
- 			(unsigned long)(object + 3)); 
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) " 0 R ", 5);
-@@ -4587,7 +4581,7 @@
- 	if(t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount>0){ 
- 		for(i=0;i<t2p->tiff_tiles[t2p->pdf_page].tiles_tilecount; i++){
- 			box=t2p->tiff_tiles[t2p->pdf_page].tiles_tiles[i].tile_box;
--			buflen=sprintf(buffer, 
-+			buflen=snprintf(buffer, sizeof(buffer), 
- 				"q %s %.4f %.4f %.4f %.4f %.4f %.4f cm /Im%d_%ld Do Q\n", 
- 				t2p->tiff_transferfunctioncount?"/GS1 gs ":"",
- 				box.mat[0],
-@@ -4602,7 +4596,7 @@
- 		}
- 	} else {
- 		box=t2p->pdf_imagebox;
--		buflen=sprintf(buffer, 
-+		buflen=snprintf(buffer, sizeof(buffer), 
- 			"q %s %.4f %.4f %.4f %.4f %.4f %.4f cm /Im%d Do Q\n", 
- 			t2p->tiff_transferfunctioncount?"/GS1 gs ":"",
- 			box.mat[0],
-@@ -4627,59 +4621,48 @@
- 												TIFF* output){
- 
- 	tsize_t written=0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen=0;
- 
- 	written += t2p_write_pdf_stream_dict(0, t2p->pdf_xrefcount+1, output); 
- 	written += t2pWriteFile(output, 
- 		(tdata_t) "/Type /XObject \n/Subtype /Image \n/Name /Im", 
- 		42);
--	buflen=sprintf(buffer, "%u", t2p->pdf_page+1);
-+	buflen=snprintf(buffer, sizeof(buffer), "%u", t2p->pdf_page+1);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	if(tile != 0){
- 		written += t2pWriteFile(output, (tdata_t) "_", 1);
--		buflen=sprintf(buffer, "%lu", (unsigned long)tile);
-+		buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)tile);
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	}
- 	written += t2pWriteFile(output, (tdata_t) "\n/Width ", 8);
--	_TIFFmemset((tdata_t)buffer, 0x00, 16);
- 	if(tile==0){
--		buflen=sprintf(buffer, "%lu", (unsigned long)t2p->tiff_width);
-+		buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)t2p->tiff_width);
- 	} else {
- 		if(t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile-1)!=0){
--			buflen=sprintf(
--				buffer, 
--				"%lu", 
-+			buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 				(unsigned long)t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth);
- 		} else {
--			buflen=sprintf(
--				buffer, 
--				"%lu", 
-+			buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 				(unsigned long)t2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth);
- 		}
- 	}
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) "\n/Height ", 9);
--	_TIFFmemset((tdata_t)buffer, 0x00, 16);
- 	if(tile==0){
--		buflen=sprintf(buffer, "%lu", (unsigned long)t2p->tiff_length);
-+		buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)t2p->tiff_length);
- 	} else {
- 		if(t2p_tile_is_bottom_edge(t2p->tiff_tiles[t2p->pdf_page], tile-1)!=0){
--			buflen=sprintf(
--				buffer, 
--				"%lu", 
-+			buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 				(unsigned long)t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength);
- 		} else {
--			buflen=sprintf(
--				buffer, 
--				"%lu", 
-+			buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 				(unsigned long)t2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);
- 		}
- 	}
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) "\n/BitsPerComponent ", 19);
--	_TIFFmemset((tdata_t)buffer, 0x00, 16);
--	buflen=sprintf(buffer, "%u", t2p->tiff_bitspersample);
-+	buflen=snprintf(buffer, sizeof(buffer), "%u", t2p->tiff_bitspersample);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) "\n/ColorSpace ", 13);
- 	written += t2p_write_pdf_xobject_cs(t2p, output);
-@@ -4723,11 +4706,10 @@
- 		t2p->pdf_colorspace ^= T2P_CS_PALETTE;
- 		written += t2p_write_pdf_xobject_cs(t2p, output);
- 		t2p->pdf_colorspace |= T2P_CS_PALETTE;
--		buflen=sprintf(buffer, "%u", (0x0001 << t2p->tiff_bitspersample)-1 );
-+		buflen=snprintf(buffer, sizeof(buffer), "%u", (0x0001 << t2p->tiff_bitspersample)-1 );
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) " ", 1);
--		_TIFFmemset(buffer, 0x00, 16);
--		buflen=sprintf(buffer, "%lu", (unsigned long)t2p->pdf_palettecs ); 
-+		buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)t2p->pdf_palettecs ); 
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) " 0 R ]\n", 7);
- 		return(written);
-@@ -4761,10 +4743,10 @@
- 			X_W /= Y_W;
- 			Z_W /= Y_W;
- 			Y_W = 1.0F;
--			buflen=sprintf(buffer, "[%.4f %.4f %.4f] \n", X_W, Y_W, Z_W);
-+			buflen=snprintf(buffer, sizeof(buffer), "[%.4f %.4f %.4f] \n", X_W, Y_W, Z_W);
- 			written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 			written += t2pWriteFile(output, (tdata_t) "/Range ", 7);
--			buflen=sprintf(buffer, "[%d %d %d %d] \n", 
-+			buflen=snprintf(buffer, sizeof(buffer), "[%d %d %d %d] \n", 
- 				t2p->pdf_labrange[0], 
- 				t2p->pdf_labrange[1], 
- 				t2p->pdf_labrange[2], 
-@@ -4780,26 +4762,26 @@
- tsize_t t2p_write_pdf_transfer(T2P* t2p, TIFF* output){
- 
- 	tsize_t written=0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen=0;
- 
- 	written += t2pWriteFile(output, (tdata_t) "<< /Type /ExtGState \n/TR ", 25);
- 	if(t2p->tiff_transferfunctioncount == 1){
--		buflen=sprintf(buffer, "%lu",
-+		buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 			       (unsigned long)(t2p->pdf_xrefcount + 1));
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) " 0 R ", 5);
- 	} else {
- 		written += t2pWriteFile(output, (tdata_t) "[ ", 2);
--		buflen=sprintf(buffer, "%lu",
-+		buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 			       (unsigned long)(t2p->pdf_xrefcount + 1));
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) " 0 R ", 5);
--		buflen=sprintf(buffer, "%lu",
-+		buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 			       (unsigned long)(t2p->pdf_xrefcount + 2));
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) " 0 R ", 5);
--		buflen=sprintf(buffer, "%lu",
-+		buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 			       (unsigned long)(t2p->pdf_xrefcount + 3));
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) " 0 R ", 5);
-@@ -4821,7 +4803,7 @@
- 	written += t2pWriteFile(output, (tdata_t) "/FunctionType 0 \n", 17);
- 	written += t2pWriteFile(output, (tdata_t) "/Domain [0.0 1.0] \n", 19);
- 	written += t2pWriteFile(output, (tdata_t) "/Range [0.0 1.0] \n", 18);
--	buflen=sprintf(buffer, "/Size [%u] \n", (1<<t2p->tiff_bitspersample));
-+	buflen=snprintf(buffer, sizeof(buffer), "/Size [%u] \n", (1<<t2p->tiff_bitspersample));
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) "/BitsPerSample 16 \n", 19);
- 	written += t2p_write_pdf_stream_dict(((tsize_t)1)<<(t2p->tiff_bitspersample+1), 0, output);
-@@ -4848,7 +4830,7 @@
- tsize_t t2p_write_pdf_xobject_calcs(T2P* t2p, TIFF* output){
- 
- 	tsize_t written=0;
--	char buffer[128];
-+	char buffer[256];
- 	int buflen=0;
- 	
- 	float X_W=0.0;
-@@ -4916,16 +4898,16 @@
- 	written += t2pWriteFile(output, (tdata_t) "<< \n", 4);
- 	if(t2p->pdf_colorspace & T2P_CS_CALGRAY){
- 		written += t2pWriteFile(output, (tdata_t) "/WhitePoint ", 12);
--		buflen=sprintf(buffer, "[%.4f %.4f %.4f] \n", X_W, Y_W, Z_W);
-+		buflen=snprintf(buffer, sizeof(buffer), "[%.4f %.4f %.4f] \n", X_W, Y_W, Z_W);
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) "/Gamma 2.2 \n", 12);
- 	}
- 	if(t2p->pdf_colorspace & T2P_CS_CALRGB){
- 		written += t2pWriteFile(output, (tdata_t) "/WhitePoint ", 12);
--		buflen=sprintf(buffer, "[%.4f %.4f %.4f] \n", X_W, Y_W, Z_W);
-+		buflen=snprintf(buffer, sizeof(buffer), "[%.4f %.4f %.4f] \n", X_W, Y_W, Z_W);
- 		written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 		written += t2pWriteFile(output, (tdata_t) "/Matrix ", 8);
--		buflen=sprintf(buffer, "[%.4f %.4f %.4f %.4f %.4f %.4f %.4f %.4f %.4f] \n", 
-+		buflen=snprintf(buffer, sizeof(buffer), "[%.4f %.4f %.4f %.4f %.4f %.4f %.4f %.4f %.4f] \n", 
- 			X_R, Y_R, Z_R, 
- 			X_G, Y_G, Z_G, 
- 			X_B, Y_B, Z_B); 
-@@ -4944,11 +4926,11 @@
- tsize_t t2p_write_pdf_xobject_icccs(T2P* t2p, TIFF* output){
- 
- 	tsize_t written=0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen=0;
- 	
- 	written += t2pWriteFile(output, (tdata_t) "[/ICCBased ", 11);
--	buflen=sprintf(buffer, "%lu", (unsigned long)t2p->pdf_icccs);
-+	buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)t2p->pdf_icccs);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) " 0 R] \n", 7);
- 
-@@ -4958,11 +4940,11 @@
- tsize_t t2p_write_pdf_xobject_icccs_dict(T2P* t2p, TIFF* output){
- 
- 	tsize_t written=0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen=0;
- 	
- 	written += t2pWriteFile(output, (tdata_t) "/N ", 3);
--	buflen=sprintf(buffer, "%u \n", t2p->tiff_samplesperpixel);
-+	buflen=snprintf(buffer, sizeof(buffer), "%u \n", t2p->tiff_samplesperpixel);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) "/Alternate ", 11);
- 	t2p->pdf_colorspace ^= T2P_CS_ICCBASED;
-@@ -5027,7 +5009,7 @@
- tsize_t t2p_write_pdf_xobject_stream_filter(ttile_t tile, T2P* t2p, TIFF* output){
- 
- 	tsize_t written=0;
--	char buffer[16];
-+	char buffer[32];
- 	int buflen=0;
- 
- 	if(t2p->pdf_compression==T2P_COMPRESS_NONE){
-@@ -5042,41 +5024,33 @@
- 			written += t2pWriteFile(output, (tdata_t) "<< /K -1 ", 9);
- 			if(tile==0){
- 				written += t2pWriteFile(output, (tdata_t) "/Columns ", 9);
--				buflen=sprintf(buffer, "%lu",
-+				buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 					       (unsigned long)t2p->tiff_width);
- 				written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 				written += t2pWriteFile(output, (tdata_t) " /Rows ", 7);
--				buflen=sprintf(buffer, "%lu",
-+				buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 					       (unsigned long)t2p->tiff_length);
- 				written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 			} else {
- 				if(t2p_tile_is_right_edge(t2p->tiff_tiles[t2p->pdf_page], tile-1)==0){
- 					written += t2pWriteFile(output, (tdata_t) "/Columns ", 9);
--					buflen=sprintf(
--						buffer, 
--						"%lu", 
-+					buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 						(unsigned long)t2p->tiff_tiles[t2p->pdf_page].tiles_tilewidth);
- 					written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 				} else {
- 					written += t2pWriteFile(output, (tdata_t) "/Columns ", 9);
--					buflen=sprintf(
--						buffer, 
--						"%lu", 
-+					buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 						(unsigned long)t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilewidth);
- 					written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 				}
- 				if(t2p_tile_is_bottom_edge(t2p->tiff_tiles[t2p->pdf_page], tile-1)==0){
- 					written += t2pWriteFile(output, (tdata_t) " /Rows ", 7);
--					buflen=sprintf(
--						buffer, 
--						"%lu", 
-+					buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 						(unsigned long)t2p->tiff_tiles[t2p->pdf_page].tiles_tilelength);
- 					written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 				} else {
- 					written += t2pWriteFile(output, (tdata_t) " /Rows ", 7);
--					buflen=sprintf(
--						buffer, 
--						"%lu", 
-+					buflen=snprintf(buffer, sizeof(buffer), "%lu",
- 						(unsigned long)t2p->tiff_tiles[t2p->pdf_page].tiles_edgetilelength);
- 					written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 				}
-@@ -5103,21 +5077,17 @@
- 			if(t2p->pdf_compressionquality%100){
- 				written += t2pWriteFile(output, (tdata_t) "/DecodeParms ", 13);
- 				written += t2pWriteFile(output, (tdata_t) "<< /Predictor ", 14);
--				_TIFFmemset(buffer, 0x00, 16);
--				buflen=sprintf(buffer, "%u", t2p->pdf_compressionquality%100);
-+				buflen=snprintf(buffer, sizeof(buffer), "%u", t2p->pdf_compressionquality%100);
- 				written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 				written += t2pWriteFile(output, (tdata_t) " /Columns ", 10);
--				_TIFFmemset(buffer, 0x00, 16);
--				buflen = sprintf(buffer, "%lu",
-+				buflen = snprintf(buffer, sizeof(buffer), "%lu",
- 						 (unsigned long)t2p->tiff_width);
- 				written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 				written += t2pWriteFile(output, (tdata_t) " /Colors ", 9);
--				_TIFFmemset(buffer, 0x00, 16);
--				buflen=sprintf(buffer, "%u", t2p->tiff_samplesperpixel);
-+				buflen=snprintf(buffer, sizeof(buffer), "%u", t2p->tiff_samplesperpixel);
- 				written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 				written += t2pWriteFile(output, (tdata_t) " /BitsPerComponent ", 19);
--				_TIFFmemset(buffer, 0x00, 16);
--				buflen=sprintf(buffer, "%u", t2p->tiff_bitspersample);
-+				buflen=snprintf(buffer, sizeof(buffer), "%u", t2p->tiff_bitspersample);
- 				written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 				written += t2pWriteFile(output, (tdata_t) ">>\n", 3);
- 			}
-@@ -5137,16 +5107,16 @@
- tsize_t t2p_write_pdf_xreftable(T2P* t2p, TIFF* output){
- 
- 	tsize_t written=0;
--	char buffer[21];
-+	char buffer[64];
- 	int buflen=0;
- 	uint32 i=0;
- 
- 	written += t2pWriteFile(output, (tdata_t) "xref\n0 ", 7);
--	buflen=sprintf(buffer, "%lu", (unsigned long)(t2p->pdf_xrefcount + 1));
-+	buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)(t2p->pdf_xrefcount + 1));
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
- 	written += t2pWriteFile(output, (tdata_t) " \n0000000000 65535 f \n", 22);
- 	for (i=0;i<t2p->pdf_xrefcount;i++){
--		sprintf(buffer, "%.10lu 00000 n \n",
-+		snprintf(buffer, sizeof(buffer), "%.10lu 00000 n \n",
- 			(unsigned long)t2p->pdf_xrefoffsets[i]);
- 		written += t2pWriteFile(output, (tdata_t) buffer, 20);
- 	}
-@@ -5170,17 +5140,14 @@
- 		snprintf(t2p->pdf_fileid + i, 9, "%.8X", rand());
- 
- 	written += t2pWriteFile(output, (tdata_t) "trailer\n<<\n/Size ", 17);
--	buflen = sprintf(buffer, "%lu", (unsigned long)(t2p->pdf_xrefcount+1));
-+	buflen = snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)(t2p->pdf_xrefcount+1));
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
--	_TIFFmemset(buffer, 0x00, 32);	
- 	written += t2pWriteFile(output, (tdata_t) "\n/Root ", 7);
--	buflen=sprintf(buffer, "%lu", (unsigned long)t2p->pdf_catalog);
-+	buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)t2p->pdf_catalog);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
--	_TIFFmemset(buffer, 0x00, 32);	
- 	written += t2pWriteFile(output, (tdata_t) " 0 R \n/Info ", 12);
--	buflen=sprintf(buffer, "%lu", (unsigned long)t2p->pdf_info);
-+	buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)t2p->pdf_info);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
--	_TIFFmemset(buffer, 0x00, 32);	
- 	written += t2pWriteFile(output, (tdata_t) " 0 R \n/ID[<", 11);
- 	written += t2pWriteFile(output, (tdata_t) t2p->pdf_fileid,
- 				sizeof(t2p->pdf_fileid) - 1);
-@@ -5188,9 +5155,8 @@
- 	written += t2pWriteFile(output, (tdata_t) t2p->pdf_fileid,
- 				sizeof(t2p->pdf_fileid) - 1);
- 	written += t2pWriteFile(output, (tdata_t) ">]\n>>\nstartxref\n", 16);
--	buflen=sprintf(buffer, "%lu", (unsigned long)t2p->pdf_startxref);
-+	buflen=snprintf(buffer, sizeof(buffer), "%lu", (unsigned long)t2p->pdf_startxref);
- 	written += t2pWriteFile(output, (tdata_t) buffer, buflen);
--	_TIFFmemset(buffer, 0x00, 32);	
- 	written += t2pWriteFile(output, (tdata_t) "\n%%EOF\n", 7);
- 
- 	return(written);
-Index: tiff-4.0.3/tools/tiff2ps.c
-===================================================================
---- tiff-4.0.3.orig/tools/tiff2ps.c	2013-06-23 10:36:51.163629483 -0400
-+++ tiff-4.0.3/tools/tiff2ps.c	2013-06-23 10:36:51.155629481 -0400
-@@ -1781,8 +1781,8 @@
- 		imageOp = "imagemask";
- 
- 	(void)strcpy(im_x, "0");
--	(void)sprintf(im_y, "%lu", (long) h);
--	(void)sprintf(im_h, "%lu", (long) h);
-+	(void)snprintf(im_y, sizeof(im_y), "%lu", (long) h);
-+	(void)snprintf(im_h, sizeof(im_h), "%lu", (long) h);
- 	tile_width = w;
- 	tile_height = h;
- 	if (TIFFIsTiled(tif)) {
-@@ -1803,7 +1803,7 @@
- 		}
- 		if (tile_height < h) {
- 			fputs("/im_y 0 def\n", fd);
--			(void)sprintf(im_y, "%lu im_y sub", (unsigned long) h);
-+			(void)snprintf(im_y, sizeof(im_y), "%lu im_y sub", (unsigned long) h);
- 		}
- 	} else {
- 		repeat_count = tf_numberstrips;
-@@ -1815,7 +1815,7 @@
- 			fprintf(fd, "/im_h %lu def\n",
- 			    (unsigned long) tile_height);
- 			(void)strcpy(im_h, "im_h");
--			(void)sprintf(im_y, "%lu im_y sub", (unsigned long) h);
-+			(void)snprintf(im_y, sizeof(im_y), "%lu im_y sub", (unsigned long) h);
- 		}
- 	}
- 
-Index: tiff-4.0.3/tools/tiffcrop.c
-===================================================================
---- tiff-4.0.3.orig/tools/tiffcrop.c	2013-06-23 10:36:51.163629483 -0400
-+++ tiff-4.0.3/tools/tiffcrop.c	2013-06-23 10:36:51.159629481 -0400
-@@ -2077,7 +2077,7 @@
-         return 1;
-         }
- 
--      sprintf (filenum, "-%03d%s", findex, export_ext);
-+      snprintf(filenum, sizeof(filenum), "-%03d%s", findex, export_ext);
-       filenum[14] = '\0';
-       strncat (exportname, filenum, 15);
-       }
-@@ -2230,8 +2230,8 @@
- 
-           /* dump.infilename is guaranteed to be NUL termimated and have 20 bytes 
-              fewer than PATH_MAX */ 
--          memset (temp_filename, '\0', PATH_MAX + 1);              
--          sprintf (temp_filename, "%s-read-%03d.%s", dump.infilename, dump_images,
-+          snprintf(temp_filename, sizeof(temp_filename), "%s-read-%03d.%s",
-+		   dump.infilename, dump_images,
-                   (dump.format == DUMP_TEXT) ? "txt" : "raw");
-           if ((dump.infile = fopen(temp_filename, dump.mode)) == NULL)
-             {
-@@ -2249,8 +2249,8 @@
- 
-           /* dump.outfilename is guaranteed to be NUL termimated and have 20 bytes 
-              fewer than PATH_MAX */ 
--          memset (temp_filename, '\0', PATH_MAX + 1);              
--          sprintf (temp_filename, "%s-write-%03d.%s", dump.outfilename, dump_images,
-+          snprintf(temp_filename, sizeof(temp_filename), "%s-write-%03d.%s",
-+		   dump.outfilename, dump_images,
-                   (dump.format == DUMP_TEXT) ? "txt" : "raw");
-           if ((dump.outfile = fopen(temp_filename, dump.mode)) == NULL)
-             {
-Index: tiff-4.0.3/tools/tiff2bw.c
-===================================================================
---- tiff-4.0.3.orig/tools/tiff2bw.c	2013-06-23 10:36:51.163629483 -0400
-+++ tiff-4.0.3/tools/tiff2bw.c	2013-06-23 10:36:51.159629481 -0400
-@@ -205,7 +205,7 @@
- 		}
- 	}
- 	TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
--	sprintf(thing, "B&W version of %s", argv[optind]);
-+	snprintf(thing, sizeof(thing), "B&W version of %s", argv[optind]);
- 	TIFFSetField(out, TIFFTAG_IMAGEDESCRIPTION, thing);
- 	TIFFSetField(out, TIFFTAG_SOFTWARE, "tiff2bw");
- 	outbuf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(out));
diff --git a/libs/tiff/patches/013-CVE-2013-4231.patch b/libs/tiff/patches/013-CVE-2013-4231.patch
deleted file mode 100644
index c26bd856c3..0000000000
--- a/libs/tiff/patches/013-CVE-2013-4231.patch
+++ /dev/null
@@ -1,17 +0,0 @@
-Description: Buffer overflow in gif2tiff
-Bug: http://bugzilla.maptools.org/show_bug.cgi?id=2450
-Bug-Debian: http://bugs.debian.org/719303
-
-Index: tiff-4.0.3/tools/gif2tiff.c
-===================================================================
---- tiff-4.0.3.orig/tools/gif2tiff.c	2013-08-22 11:46:11.960846910 -0400
-+++ tiff-4.0.3/tools/gif2tiff.c	2013-08-22 11:46:11.956846910 -0400
-@@ -333,6 +333,8 @@
-     int status = 1;
- 
-     datasize = getc(infile);
-+    if (datasize > 12)
-+	return 0;
-     clear = 1 << datasize;
-     eoi = clear + 1;
-     avail = clear + 2;
diff --git a/libs/tiff/patches/014-CVE-2013-4232.patch b/libs/tiff/patches/014-CVE-2013-4232.patch
deleted file mode 100644
index 0d80ff3b09..0000000000
--- a/libs/tiff/patches/014-CVE-2013-4232.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-Description: use after free in tiff2pdf
-Bug: http://bugzilla.maptools.org/show_bug.cgi?id=2449
-Bug-Debian: http://bugs.debian.org/719303
-
-Index: tiff-4.0.3/tools/tiff2pdf.c
-===================================================================
---- tiff-4.0.3.orig/tools/tiff2pdf.c	2013-08-22 11:46:37.292847242 -0400
-+++ tiff-4.0.3/tools/tiff2pdf.c	2013-08-22 11:46:37.292847242 -0400
-@@ -2461,7 +2461,8 @@
- 					(unsigned long) t2p->tiff_datasize, 
- 					TIFFFileName(input));
- 				t2p->t2p_error = T2P_ERR_ERROR;
--			  _TIFFfree(buffer);
-+				_TIFFfree(buffer);
-+				return(0);
- 			} else {
- 				buffer=samplebuffer;
- 				t2p->tiff_datasize *= t2p->tiff_samplesperpixel;
diff --git a/libs/tiff/patches/015-CVE-2013-4244.patch b/libs/tiff/patches/015-CVE-2013-4244.patch
deleted file mode 100644
index 0a77a0c4d2..0000000000
--- a/libs/tiff/patches/015-CVE-2013-4244.patch
+++ /dev/null
@@ -1,18 +0,0 @@
-Description: OOB write in gif2tiff
-Bug-Redhat: https://bugzilla.redhat.com/show_bug.cgi?id=996468
-
-Index: tiff-4.0.3/tools/gif2tiff.c
-===================================================================
---- tiff-4.0.3.orig/tools/gif2tiff.c	2013-08-24 11:17:13.546447901 -0400
-+++ tiff-4.0.3/tools/gif2tiff.c	2013-08-24 11:17:13.546447901 -0400
-@@ -400,6 +400,10 @@
-     }
- 
-     if (oldcode == -1) {
-+        if (code >= clear) {
-+            fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear);
-+            return 0;
-+        }
- 	*(*fill)++ = suffix[code];
- 	firstchar = oldcode = code;
- 	return 1;
diff --git a/libs/tiff/patches/016-CVE-2013-4243.patch b/libs/tiff/patches/016-CVE-2013-4243.patch
deleted file mode 100644
index 75fae2c3c6..0000000000
--- a/libs/tiff/patches/016-CVE-2013-4243.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-Index: tiff/tools/gif2tiff.c
-===================================================================
---- tiff.orig/tools/gif2tiff.c
-+++ tiff/tools/gif2tiff.c
-@@ -280,6 +280,10 @@ readgifimage(char* mode)
-         fprintf(stderr, "no colormap present for image\n");
-         return (0);
-     }
-+    if (width == 0 || height == 0) {
-+        fprintf(stderr, "Invalid value of width or height\n");
-+        return(0);
-+    }
-     if ((raster = (unsigned char*) _TIFFmalloc(width*height+EXTRAFUDGE)) == NULL) {
-         fprintf(stderr, "not enough memory for image\n");
-         return (0);
-@@ -404,6 +408,10 @@ process(register int code, unsigned char
-             fprintf(stderr, "bad input: code=%d is larger than clear=%d\n",code, clear);
-             return 0;
-         }
-+        if (*fill >= raster + width*height) {
-+            fprintf(stderr, "raster full before eoi code\n");
-+            return 0;
-+        }
- 	*(*fill)++ = suffix[code];
- 	firstchar = oldcode = code;
- 	return 1;
-@@ -434,6 +442,10 @@ process(register int code, unsigned char
-     }
-     oldcode = incode;
-     do {
-+        if (*fill >= raster + width*height) {
-+            fprintf(stderr, "raster full before eoi code\n");
-+            return 0;
-+        }
- 	*(*fill)++ = *--stackp;
-     } while (stackp > stack);
-     return 1;
diff --git a/libs/tiff/patches/017-CVE-2014-9330.patch b/libs/tiff/patches/017-CVE-2014-9330.patch
deleted file mode 100644
index acd0a331d0..0000000000
--- a/libs/tiff/patches/017-CVE-2014-9330.patch
+++ /dev/null
@@ -1,45 +0,0 @@
-Description: CVE-2014-9330
- Integer overflow in bmp2tiff
-Origin: upstream, http://bugzilla.maptools.org/show_bug.cgi?id=2494
-Bug: http://bugzilla.maptools.org/show_bug.cgi?id=2494
-Bug-Debian: http://bugs.debian.org/773987
-
-Index: tiff/tools/bmp2tiff.c
-===================================================================
---- tiff.orig/tools/bmp2tiff.c
-+++ tiff/tools/bmp2tiff.c
-@@ -1,4 +1,4 @@
--/* $Id: bmp2tiff.c,v 1.23 2010-03-10 18:56:49 bfriesen Exp $
-+/* $Id: bmp2tiff.c,v 1.24 2014-12-21 15:15:32 erouault Exp $
-  *
-  * Project:  libtiff tools
-  * Purpose:  Convert Windows BMP files in TIFF.
-@@ -403,6 +403,13 @@ main(int argc, char* argv[])
- 
- 		width = info_hdr.iWidth;
- 		length = (info_hdr.iHeight > 0) ? info_hdr.iHeight : -info_hdr.iHeight;
-+        if( width <= 0 || length <= 0 )
-+        {
-+            TIFFError(infilename,
-+                  "Invalid dimensions of BMP file" );
-+            close(fd);
-+            return -1;
-+        }
- 
- 		switch (info_hdr.iBitCount)
- 		{
-@@ -593,6 +600,14 @@ main(int argc, char* argv[])
- 
- 			compr_size = file_hdr.iSize - file_hdr.iOffBits;
- 			uncompr_size = width * length;
-+            /* Detect int overflow */
-+            if( uncompr_size / width != length )
-+            {
-+                TIFFError(infilename,
-+                    "Invalid dimensions of BMP file" );
-+                close(fd);
-+                return -1;
-+            }
- 			comprbuf = (unsigned char *) _TIFFmalloc( compr_size );
- 			if (!comprbuf) {
- 				TIFFError(infilename,
diff --git a/libs/tiff/patches/019-CVE-2017-18013.patch b/libs/tiff/patches/019-CVE-2017-18013.patch
new file mode 100644
index 0000000000..daaf41353c
--- /dev/null
+++ b/libs/tiff/patches/019-CVE-2017-18013.patch
@@ -0,0 +1,34 @@
+From c6f41df7b581402dfba3c19a1e3df4454c551a01 Mon Sep 17 00:00:00 2001
+From: Even Rouault <even.rouault@spatialys.com>
+Date: Sun, 31 Dec 2017 15:09:41 +0100
+Subject: [PATCH] libtiff/tif_print.c: TIFFPrintDirectory(): fix null pointer dereference on corrupted file. Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2770
+
+---
+ libtiff/tif_print.c | 8 ++++----
+ 1 file changed, 4 insertions(+), 4 deletions(-)
+
+diff --git a/libtiff/tif_print.c b/libtiff/tif_print.c
+index 9959d35..8deceb2 100644
+--- a/libtiff/tif_print.c
++++ b/libtiff/tif_print.c
+@@ -667,13 +667,13 @@ TIFFPrintDirectory(TIFF* tif, FILE* fd, long flags)
+ #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
+ 			fprintf(fd, "    %3lu: [%8I64u, %8I64u]\n",
+ 			    (unsigned long) s,
+-			    (unsigned __int64) td->td_stripoffset[s],
+-			    (unsigned __int64) td->td_stripbytecount[s]);
++			    td->td_stripoffset ? (unsigned __int64) td->td_stripoffset[s] : 0,
++			    td->td_stripbytecount ? (unsigned __int64) td->td_stripbytecount[s] : 0);
+ #else
+ 			fprintf(fd, "    %3lu: [%8llu, %8llu]\n",
+ 			    (unsigned long) s,
+-			    (unsigned long long) td->td_stripoffset[s],
+-			    (unsigned long long) td->td_stripbytecount[s]);
++			    td->td_stripoffset ? (unsigned long long) td->td_stripoffset[s] : 0,
++			    td->td_stripbytecount ? (unsigned long long) td->td_stripbytecount[s] : 0);
+ #endif
+ 	}
+ }
+--
+libgit2 0.26.0
+
diff --git a/libs/tiff/patches/020-CVE-2017-9935.patch b/libs/tiff/patches/020-CVE-2017-9935.patch
new file mode 100644
index 0000000000..d1082c09e4
--- /dev/null
+++ b/libs/tiff/patches/020-CVE-2017-9935.patch
@@ -0,0 +1,117 @@
+diff --git a/libtiff/tif_dir.c b/libtiff/tif_dir.c
+index 2ccaf44..cbf2b69 100644
+--- a/libtiff/tif_dir.c
++++ b/libtiff/tif_dir.c
+@@ -1067,6 +1067,9 @@ _TIFFVGetField(TIFF* tif, uint32 tag, va_list ap)
+ 			if (td->td_samplesperpixel - td->td_extrasamples > 1) {
+ 				*va_arg(ap, uint16**) = td->td_transferfunction[1];
+ 				*va_arg(ap, uint16**) = td->td_transferfunction[2];
++			} else {
++				*va_arg(ap, uint16**) = NULL;
++				*va_arg(ap, uint16**) = NULL;
+ 			}
+ 			break;
+ 		case TIFFTAG_REFERENCEBLACKWHITE:
+diff --git a/tools/tiff2pdf.c b/tools/tiff2pdf.c
+index d1a9b09..484776c 100644
+--- a/tools/tiff2pdf.c
++++ b/tools/tiff2pdf.c
+@@ -237,7 +237,7 @@ typedef struct {
+ 	float tiff_whitechromaticities[2];
+ 	float tiff_primarychromaticities[6];
+ 	float tiff_referenceblackwhite[2];
+-	float* tiff_transferfunction[3];
++	uint16* tiff_transferfunction[3];
+ 	int pdf_image_interpolate;	/* 0 (default) : do not interpolate,
+ 					   1 : interpolate */
+ 	uint16 tiff_transferfunctioncount;
+@@ -1047,6 +1047,8 @@ void t2p_read_tiff_init(T2P* t2p, TIFF* input){
+ 	uint16 pagen=0;
+ 	uint16 paged=0;
+ 	uint16 xuint16=0;
++	uint16 tiff_transferfunctioncount=0;
++	uint16* tiff_transferfunction[3];
+ 
+ 	directorycount=TIFFNumberOfDirectories(input);
+ 	t2p->tiff_pages = (T2P_PAGE*) _TIFFmalloc(TIFFSafeMultiply(tmsize_t,directorycount,sizeof(T2P_PAGE)));
+@@ -1147,26 +1149,48 @@ void t2p_read_tiff_init(T2P* t2p, TIFF* input){
+                 }
+ #endif
+ 		if (TIFFGetField(input, TIFFTAG_TRANSFERFUNCTION,
+-                                 &(t2p->tiff_transferfunction[0]),
+-                                 &(t2p->tiff_transferfunction[1]),
+-                                 &(t2p->tiff_transferfunction[2]))) {
+-			if((t2p->tiff_transferfunction[1] != (float*) NULL) &&
+-                           (t2p->tiff_transferfunction[2] != (float*) NULL) &&
+-                           (t2p->tiff_transferfunction[1] !=
+-                            t2p->tiff_transferfunction[0])) {
+-				t2p->tiff_transferfunctioncount = 3;
+-				t2p->tiff_pages[i].page_extra += 4;
+-				t2p->pdf_xrefcount += 4;
+-			} else {
+-				t2p->tiff_transferfunctioncount = 1;
+-				t2p->tiff_pages[i].page_extra += 2;
+-				t2p->pdf_xrefcount += 2;
+-			}
+-			if(t2p->pdf_minorversion < 2)
+-				t2p->pdf_minorversion = 2;
++                                 &(tiff_transferfunction[0]),
++                                 &(tiff_transferfunction[1]),
++                                 &(tiff_transferfunction[2]))) {
++
++                        if((tiff_transferfunction[1] != (uint16*) NULL) &&
++                           (tiff_transferfunction[2] != (uint16*) NULL)
++                          ) {
++                            tiff_transferfunctioncount=3;
++                        } else {
++                            tiff_transferfunctioncount=1;
++                        }
+                 } else {
+-			t2p->tiff_transferfunctioncount=0;
++			tiff_transferfunctioncount=0;
+ 		}
++
++                if (i > 0){
++                    if (tiff_transferfunctioncount != t2p->tiff_transferfunctioncount){
++                        TIFFError(
++                            TIFF2PDF_MODULE,
++                            "Different transfer function on page %d",
++                            i);
++                        t2p->t2p_error = T2P_ERR_ERROR;
++                        return;
++                    }
++                }
++
++                t2p->tiff_transferfunctioncount = tiff_transferfunctioncount;
++                t2p->tiff_transferfunction[0] = tiff_transferfunction[0];
++                t2p->tiff_transferfunction[1] = tiff_transferfunction[1];
++                t2p->tiff_transferfunction[2] = tiff_transferfunction[2];
++                if(tiff_transferfunctioncount == 3){
++                        t2p->tiff_pages[i].page_extra += 4;
++                        t2p->pdf_xrefcount += 4;
++                        if(t2p->pdf_minorversion < 2)
++                                t2p->pdf_minorversion = 2;
++                } else if (tiff_transferfunctioncount == 1){
++                        t2p->tiff_pages[i].page_extra += 2;
++                        t2p->pdf_xrefcount += 2;
++                        if(t2p->pdf_minorversion < 2)
++                                t2p->pdf_minorversion = 2;
++                }
++
+ 		if( TIFFGetField(
+ 			input, 
+ 			TIFFTAG_ICCPROFILE, 
+@@ -1827,10 +1851,9 @@ void t2p_read_tiff_data(T2P* t2p, TIFF* input){
+ 			 &(t2p->tiff_transferfunction[0]),
+ 			 &(t2p->tiff_transferfunction[1]),
+ 			 &(t2p->tiff_transferfunction[2]))) {
+-		if((t2p->tiff_transferfunction[1] != (float*) NULL) &&
+-                   (t2p->tiff_transferfunction[2] != (float*) NULL) &&
+-                   (t2p->tiff_transferfunction[1] !=
+-                    t2p->tiff_transferfunction[0])) {
++		if((t2p->tiff_transferfunction[1] != (uint16*) NULL) &&
++                   (t2p->tiff_transferfunction[2] != (uint16*) NULL)
++                  ) {
+ 			t2p->tiff_transferfunctioncount=3;
+ 		} else {
+ 			t2p->tiff_transferfunctioncount=1;