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gstreamer1-plugins-bad-free.../SOURCES/0002-Fixes-ZDI-CAN-21768-CV...

33 lines
1.2 KiB

From 1f9a7c6b4f658e0bbc6cb3638a8932680dbcff54 Mon Sep 17 00:00:00 2001
From: tigro <arkadiy.sheyn@softline.com>
Date: Tue, 24 Oct 2023 08:50:09 +0300
Subject: [PATCH 2/2] Fixes ZDI-CAN-21768, CVE-2023-40476
---
gst-libs/gst/codecparsers/gsth265parser.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/gst-libs/gst/codecparsers/gsth265parser.c b/gst-libs/gst/codecparsers/gsth265parser.c
index fe775a8..44b7237 100644
--- a/gst-libs/gst/codecparsers/gsth265parser.c
+++ b/gst-libs/gst/codecparsers/gsth265parser.c
@@ -1845,6 +1845,7 @@ gst_h265_parse_vps (GstH265NalUnit * nalu, GstH265VPS * vps)
READ_UINT8 (&nr, vps->max_layers_minus1, 6);
READ_UINT8 (&nr, vps->max_sub_layers_minus1, 3);
+ CHECK_ALLOWED (vps->max_sub_layers_minus1, 0, 6);
READ_UINT8 (&nr, vps->temporal_id_nesting_flag, 1);
/* skip reserved_0xffff_16bits */
@@ -2015,6 +2016,7 @@ gst_h265_parse_sps (GstH265Parser * parser, GstH265NalUnit * nalu,
READ_UINT8 (&nr, sps->vps_id, 4);
READ_UINT8 (&nr, sps->max_sub_layers_minus1, 3);
+ CHECK_ALLOWED (sps->max_sub_layers_minus1, 0, 6);
READ_UINT8 (&nr, sps->temporal_id_nesting_flag, 1);
if (!gst_h265_parse_profile_tier_level (&sps->profile_tier_level, &nr,
--
2.41.0