openwrt-packages/libs/tiff/patches/014-CVE-2017-9936.patch

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From fe8d7165956b88df4837034a9161dc5fd20cf67a Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Mon, 26 Jun 2017 15:19:59 +0000
Subject: [PATCH] * libtiff/tif_jbig.c: fix memory leak in error code path of
JBIGDecode() Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2706 Reported
by team OWL337
* libtiff/tif_jpeg.c: error out at decoding time if anticipated libjpeg
---
ChangeLog | 8 +++++++-
libtiff/tif_jbig.c | 1 +
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index bc5096e7..ecd70534 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2017-06-26 Even Rouault <even.rouault at spatialys.com>
+
+ * libtiff/tif_jbig.c: fix memory leak in error code path of JBIGDecode()
+ Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2706
+ Reported by team OWL337
+
2017-06-01 Even Rouault <even.rouault at spatialys.com>
* libtiff/tif_dirinfo.c, tif_dirread.c: add _TIFFCheckFieldIsValidForCodec(),
diff --git a/libtiff/tif_jbig.c b/libtiff/tif_jbig.c
index 5f5f75e2..c75f31d9 100644
--- a/libtiff/tif_jbig.c
+++ b/libtiff/tif_jbig.c
@@ -94,6 +94,7 @@ static int JBIGDecode(TIFF* tif, uint8* buffer, tmsize_t size, uint16 s)
jbg_strerror(decodeStatus)
#endif
);
+ jbg_dec_free(&decoder);
return 0;
}