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rom 8283e4d1b7e53340684d12932880cbcbaf23a8c1 Mon Sep 17 00:00:00 2001
From: erouault <erouault>
Date: Thu, 12 Jan 2017 17:43:25 +0000

* libtiff/tif_ojpeg.c: fix leak in OJPEGReadHeaderInfoSecTablesAcTable
  when read fails.
  Patch by Nicolas Pena.
  Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2659

Upstream-Status: Backport

CVE: CVE-2017-7594 #patch1
Signed-off-by: Rajkumar Veer <rveer@mvista.com>
Index: tiff-4.0.7/ChangeLog
===================================================================
--- tiff-4.0.7.orig/ChangeLog	2017-04-24 16:13:15.000000000 +0530
+++ tiff-4.0.7/ChangeLog	2017-04-24 16:50:26.465897646 +0530
@@ -1,3 +1,10 @@
+2017-01-12 Even Rouault <even.rouault at spatialys.com>
+
+	* libtiff/tif_ojpeg.c: fix leak in OJPEGReadHeaderInfoSecTablesAcTable
+	when read fails.
+	Patch by Nicolás Peña.
+	Fixes http://bugzilla.maptools.org/show_bug.cgi?id=2659
+
 2017-01-11 Even Rouault <even.rouault at spatialys.com>
 
 	* libtiff/tif_getimage.c: add explicit uint32 cast in putagreytile to
Index: tiff-4.0.7/libtiff/tif_ojpeg.c
===================================================================
--- tiff-4.0.7.orig/libtiff/tif_ojpeg.c	2017-04-24 16:02:29.817973051 +0530
+++ tiff-4.0.7/libtiff/tif_ojpeg.c	2017-04-24 16:52:27.349894477 +0530
@@ -1918,7 +1918,10 @@
 				rb[sizeof(uint32)+5+n]=o[n];
 			p=(uint32)TIFFReadFile(tif,&(rb[sizeof(uint32)+21]),q);
 			if (p!=q)
+                        {
+                                _TIFFfree(rb);
 				return(0);
+                        }
 			sp->actable[m]=rb;
 			sp->sos_tda[m]=(sp->sos_tda[m]|m);
 		}