From 62efea76592647426deec5592fd7274d5c950646 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

Upstream-Status: Backport
[https://github.com/vadz/libtiff/commit/fe8d7165956b88df4837034a9161dc5fd20cf67a]

CVE: CVE-2017-9936

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
---
 ChangeLog          | 6 ++++++
 libtiff/tif_jbig.c | 1 +
 2 files changed, 7 insertions(+)

Index: tiff-4.0.7/ChangeLog
===================================================================
--- tiff-4.0.7.orig/ChangeLog
+++ tiff-4.0.7/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(),
Index: tiff-4.0.7/libtiff/tif_jbig.c
===================================================================
--- tiff-4.0.7.orig/libtiff/tif_jbig.c
+++ tiff-4.0.7/libtiff/tif_jbig.c
@@ -94,6 +94,7 @@ static int JBIGDecode(TIFF* tif, uint8*
 			     jbg_strerror(decodeStatus)
 #endif
 			     );
+		jbg_dec_free(&decoder);
 		return 0;
 	}
 
