From 1f9a7c6b4f658e0bbc6cb3638a8932680dbcff54 Mon Sep 17 00:00:00 2001 From: tigro 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