ghostscript: fix CVE-2023-38559

(From OE-Core rev: 9552f934ae5305b9154f1560d4823b168457b784)

Signed-off-by: Chee Yang Lee <chee.yang.lee@intel.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>

2 files changed, 32 insertions, 0 deletions

diff --git a/meta/recipes-extended/ghostscript/ghostscript/CVE-2023-38559.patch b/meta/recipes-extended/ghostscript/ghostscript/CVE-2023-38559.patch
new file mode 100644
index 0000000000..4ef71cba7b
--- /dev/null
+++ b/meta/recipes-extended/ghostscript/ghostscript/CVE-2023-38559.patch
@@ -0,0 +1,31 @@
+CVE: CVE-2023-38559
+Upstream-Status: Backport [  https://git.ghostscript.com/?p=ghostpdl.git;a=patch;h=d81b82c70bc1 ]
+Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>
+
+From d81b82c70bc1fb9991bb95f1201abb5dea55f57f Mon Sep 17 00:00:00 2001
+From: Chris Liddell <chris.liddell@artifex.com>
+Date: Mon, 17 Jul 2023 14:06:37 +0100
+Subject: [PATCH] Bug 706897: Copy pcx buffer overrun fix from
+ devices/gdevpcx.c
+
+Bounds check the buffer, before dereferencing the pointer.
+---
+ base/gdevdevn.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/base/gdevdevn.c b/base/gdevdevn.c
+index 7b14d9c71..6351fb77a 100644
+--- a/base/gdevdevn.c
++++ b/base/gdevdevn.c
+@@ -1983,7 +1983,7 @@ devn_pcx_write_rle(const byte * from, const byte * end, int step, gp_file * file
+         byte data = *from;
+ 
+         from += step;
+-        if (data != *from || from == end) {
++        if (from >= end || data != *from) {
+             if (data >= 0xc0)
+                 gp_fputc(0xc1, file);
+         } else {
+-- 
+2.34.1
+
diff --git a/meta/recipes-extended/ghostscript/ghostscript_10.0.0.bb b/meta/recipes-extended/ghostscript/ghostscript_10.0.0.bb
index 9a900ee04f..9e2cd01ff4 100644
--- a/meta/recipes-extended/ghostscript/ghostscript_10.0.0.bb
+++ b/meta/recipes-extended/ghostscript/ghostscript_10.0.0.bb
@@ -36,6 +36,7 @@ SRC_URI_BASE = "https://github.com/ArtifexSoftware/ghostpdl-downloads/releases/d
                 file://cross-compile.patch \
                 file://cve-2023-28879.patch \
                 file://cve-2023-36664.patch \
+                file://CVE-2023-38559.patch \
 "
 
 SRC_URI = "${SRC_URI_BASE} \