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| author | Michael Niedermayer <michael@niedermayer.cc> | 2023-10-12 23:58:18 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2023-10-16 00:54:37 +0200 |
| commit | ef3b42738b8081982498f5fb6b24593996045777 (patch) | |
| tree | 18654d7f34d745a09dbbedf52c41731413466666 /libavcodec | |
| parent | b79fc7059600b28dce392fc20e5c8bd554c2fc95 (diff) | |
| download | ffmpeg-ef3b42738b8081982498f5fb6b24593996045777.tar.gz | |
avcodec/evc_ps: Check chroma_format_idc
Fixes: out of array access
Fixes: 62678/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-4858264984354816
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Kieran Kunhya <kierank@obe.tv>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/evc_ps.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/evc_ps.c b/libavcodec/evc_ps.c index c11b92d1c5..19895d404d 100644 --- a/libavcodec/evc_ps.c +++ b/libavcodec/evc_ps.c @@ -179,6 +179,10 @@ int ff_evc_parse_sps(GetBitContext *gb, EVCParamSets *ps) // 2 - 4:2:2 // 3 - 4:4:4 sps->chroma_format_idc = get_ue_golomb_31(gb); + if (sps->chroma_format_idc > 3) { + ret = AVERROR_INVALIDDATA; + goto fail; + } sps->pic_width_in_luma_samples = get_ue_golomb_long(gb); sps->pic_height_in_luma_samples = get_ue_golomb_long(gb); |