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| author | Michael Niedermayer <michael@niedermayer.cc> | 2025-06-21 23:15:21 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2025-07-30 01:18:03 +0200 |
| commit | f09c834a7d01dfde9369551b2767c001846a396f (patch) | |
| tree | 5c2aa04cda3d44e16c011076d26ffda9e4db6564 | |
| parent | ebcdba4c6b340b26674f7bee9abc585a26a45304 (diff) | |
| download | ffmpeg-master.tar.gz | |
Fixes: heap-buffer-overflow
Fixes: 418421333/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APV_fuzzer-6592025183191040
Fixes: 418804929/clusterfuzz-testcase-minimized-ffmpeg_BSF_APV_METADATA_fuzzer-5773904646045696
Fixes: 420737045/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APV_fuzzer-5535272169439232
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/cbs_apv_syntax_template.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/cbs_apv_syntax_template.c b/libavcodec/cbs_apv_syntax_template.c index fc8a08ff31..b84565b107 100644 --- a/libavcodec/cbs_apv_syntax_template.c +++ b/libavcodec/cbs_apv_syntax_template.c @@ -236,6 +236,8 @@ static int FUNC(tile)(CodedBitstreamContext *ctx, RWContext *rw, #ifdef READ int pos = get_bits_count(rw); av_assert0(pos % 8 == 0); + if (get_bits_left(rw) < 8LL * comp_size) + return AVERROR_INVALIDDATA; current->tile_data[c] = (uint8_t*)align_get_bits(rw); skip_bits_long(rw, 8 * comp_size); #else |