1 files changed, 35 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..73f1f37bab
--- /dev/null
+++ b/meta/recipes-multimedia/libtiff/files/CVE-2023-40745.patch
@@ -0,0 +1,35 @@
+From 4fc16f649fa2875d5c388cf2edc295510a247ee5 Mon Sep 17 00:00:00 2001
+From: Arie Haenel <arie.haenel@jct.ac.il>
+Date: Thu, 14 Sep 2023 04:31:35 +0000
+Subject: [PATCH] tiffcp: fix memory corruption (overflow) on hostile images
+ (fixes #591)
+
+CVE: CVE-2023-40745
+
+Upstream-Status: Backport [https://gitlab.com/libtiff/libtiff/-/commit/4fc16f649fa2875d5c388cf2edc295510a247ee5]
+
+Signed-off-by: Yogita Urade <yogita.urade@windriver.com>
+---
+ tools/tiffcp.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/tools/tiffcp.c b/tools/tiffcp.c
+index 3b2d1dd..57fa6e8 100644
+--- a/tools/tiffcp.c
++++ b/tools/tiffcp.c
+@@ -1754,6 +1754,13 @@ DECLAREreadFunc(readSeparateTilesIntoBuffer)
+                   "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 = limitMalloc(tilesize);
+     if (tilebuf == 0)
+--
+2.35.5