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Code Issues Releases Activity

avformat/mxfdec: Check container_ul->desc before use

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Fixes: CID1592939 Dereference after null check

Sponsored-by: Sovereign Tech Fund
Reviewed-by: Tomas Härdin <git@haerdin.se>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 4cab028bd0)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2024-07-24 16:52:21 +02:00
parent 4d05988497
commit 4c004c350c
1 changed files with 1 additions and 0 deletions
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libavformat/mxfdec.c
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@@ -3064,6 +3064,7 @@ static int mxf_parse_structural_metadata(MXFContext *mxf)
if (container_ul->desc)
av_dict_set(&st->metadata, "data_type", container_ul->desc, 0);
if (mxf->eia608_extract &&
container_ul->desc &&
!strcmp(container_ul->desc, "vbi_vanc_smpte_436M")) {
st->codecpar->codec_type = AVMEDIA_TYPE_SUBTITLE;
st->codecpar->codec_id = AV_CODEC_ID_EIA_608;