new file mode 100644
@@ -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: Siddharth Doshi <sdoshi@mvista.com>
+---
+ tools/tiffcp.c | 7 +++++++
+ 1 file changed, 7 insertions(+)
+
+diff --git a/tools/tiffcp.c b/tools/tiffcp.c
+index 57eef90..34b6ef2 100644
+--- a/tools/tiffcp.c
++++ b/tools/tiffcp.c
+@@ -1577,6 +1577,13 @@ 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 = limitMalloc(tilesize);
+ if (tilebuf == 0)
+--
+2.25.1
+
@@ -43,6 +43,7 @@ SRC_URI = "http://download.osgeo.org/libtiff/tiff-${PV}.tar.gz \
file://CVE-2023-3618-1.patch \
file://CVE-2023-3618-2.patch \
file://CVE-2023-26966.patch \
+ file://CVE-2023-40745.patch \
"
SRC_URI[sha256sum] = "0e46e5acb087ce7d1ac53cf4f56a09b221537fc86dfc5daaad1c2e89e1b37ac8"