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-rw-r--r--meta/recipes-extended/ghostscript/ghostscript/CVE-2023-38559.patch32
1 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..2b2b85fa27
--- /dev/null
+++ b/meta/recipes-extended/ghostscript/ghostscript/CVE-2023-38559.patch
@@ -0,0 +1,32 @@
+From 34b0eec257c3a597e0515946f17fb973a33a7b5b 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.
+
+Upstream-Status: Backport [https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=d81b82c70bc1fb9991bb95f1201abb5dea55f57f]
+
+CVE: CVE-2023-38559
+
+Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
+---
+ base/gdevdevn.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/base/gdevdevn.c b/base/gdevdevn.c
+index f679127..66c771b 100644
+--- a/base/gdevdevn.c
++++ b/base/gdevdevn.c
+@@ -1950,7 +1950,7 @@ 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 {
+--
+2.40.0