1 files changed, 34 insertions, 0 deletions

diff --git a/meta/recipes-multimedia/libtiff/files/CVE-2023-40745.patch b/meta/recipes-multimedia/libtiff/files/CVE-2023-40745.patch
new file mode 100644
index 0000000000..6eb286039f
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-40745.patch
@@ -0,0 +1,34 @@
+From 4fc16f649fa2875d5c388cf2edc295510a247ee5 Mon Sep 17 00:00:00 2001
+From: Arie Haenel <arie.haenel@jct.ac.il>
+Date: Wed, 19 Jul 2023 19:34:25 +0000
+Subject: [PATCH] tiffcp: fix memory corruption (overflow) on hostile images
+ (fixes #591)
+
+Upstream-Status: Backport from [https://gitlab.com/libtiff/libtiff/-/commit/4fc16f649fa2875d5c388cf2edc295510a247ee5]
+CVE: CVE-2023-40745
+Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
+---
+ tools/tiffcp.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/tools/tiffcp.c b/tools/tiffcp.c
+index 83b3910..007bd05 100644
+--- a/tools/tiffcp.c
++++ b/tools/tiffcp.c
+@@ -1437,6 +1437,13 @@ DECLAREreadFunc(readSeparateTilesIntoBuffer)
+                TIFFError(TIFFFileName(in), "Error, cannot handle that much samples per tile row (Tile Width * Samples/Pixel)");
+                return 0;
+        }
++
++       if ( (imagew - tilew * spp) > INT_MAX ){
++        TIFFError(TIFFFileName(in),
++                  "Error, image raster scan line size is too large");
++        return 0;
++       }
++
+        iskew = imagew - tilew*spp;
+        tilebuf = _TIFFmalloc(tilesize);
+        if (tilebuf == 0)
+-- 
+2.25.1
+