diff options
Diffstat (limited to 'meta/recipes-extended/ghostscript/ghostscript/0001-Bug-706897-Copy-pcx-buffer-overrun-fix-from-devices-.patch')
-rw-r--r-- | meta/recipes-extended/ghostscript/ghostscript/0001-Bug-706897-Copy-pcx-buffer-overrun-fix-from-devices-.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/meta/recipes-extended/ghostscript/ghostscript/0001-Bug-706897-Copy-pcx-buffer-overrun-fix-from-devices-.patch b/meta/recipes-extended/ghostscript/ghostscript/0001-Bug-706897-Copy-pcx-buffer-overrun-fix-from-devices-.patch new file mode 100644 index 0000000000..91b9f6df50 --- /dev/null +++ b/meta/recipes-extended/ghostscript/ghostscript/0001-Bug-706897-Copy-pcx-buffer-overrun-fix-from-devices-.patch @@ -0,0 +1,31 @@ +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. + +Upstream-Status: Backport [https://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=d81b82c70bc1fb9991bb95f1201abb5dea55f57f] +CVE: CVE-2023-38559 +Signed-off-by: Vijay Anusuri <vanusuri@mvista.com> +--- + base/gdevdevn.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/base/gdevdevn.c b/base/gdevdevn.c +index 3b019d6..2888776 100644 +--- a/base/gdevdevn.c ++++ b/base/gdevdevn.c +@@ -1980,7 +1980,7 @@ 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 { +-- +2.25.1 + |