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| author | Michael Niedermayer <michael@niedermayer.cc> | 2024-07-19 22:22:33 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2024-07-23 23:21:15 +0200 |
| commit | 2f7aaa33e7343435cbc468da42fbd52c9f8f7055 (patch) | |
| tree | bb66db665720146cd64ea21aec26a0a47c48c206 | |
| parent | ae20be8b5d0b3044b2094127d6ba1f529add50cc (diff) | |
| download | ffmpeg-2f7aaa33e7343435cbc468da42fbd52c9f8f7055.tar.gz | |
avcodec/aac/aacdec_lpd: Check kv indec
Fixes: index 9 out of bounds for type 'uint32_t [8][8]'
Fixes: 70363/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_AAC_LATM_fuzzer-6723855293415424.fuzz
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/aac/aacdec_lpd.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/aac/aacdec_lpd.c b/libavcodec/aac/aacdec_lpd.c index 91a3268889..20bbb007ff 100644 --- a/libavcodec/aac/aacdec_lpd.c +++ b/libavcodec/aac/aacdec_lpd.c @@ -130,6 +130,9 @@ int ff_aac_parse_fac_data(AACUsacElemData *ce, GetBitContext *gb, if (use_gain) ce->fac.gain = get_bits(gb, 7); + if (len/8 > 8) + return AVERROR_PATCHWELCOME; + for (int i = 0; i < len/8; i++) { ret = parse_codebook_idx(gb, ce->fac.kv[i], 1, 1); if (ret < 0) |