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