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| author | Luca Barbato <lu_zero@gentoo.org> | 2013-08-04 18:48:20 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-08-05 16:24:13 +0200 |
| commit | 9991298f2c4d9022ad56057f15d037e18d454157 (patch) | |
| tree | 36bdee90cbe8cf1297bbc2a59d46ce4e031351db /libavcodec/bink.c | |
| parent | bb9378251a167ef0116f263912e57f715c1e02ac (diff) | |
| download | ffmpeg-9991298f2c4d9022ad56057f15d037e18d454157.tar.gz | |
bink: Bound check the quantization matrix.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Diffstat (limited to 'libavcodec/bink.c')
| -rw-r--r-- | libavcodec/bink.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/bink.c b/libavcodec/bink.c index 7ec0cabaed..98a54c6969 100644 --- a/libavcodec/bink.c +++ b/libavcodec/bink.c @@ -681,6 +681,9 @@ static int read_dct_coeffs(GetBitContext *gb, int32_t block[64], const uint8_t * quant_idx = q; } + if (quant_idx >= 16) + return AVERROR_INVALIDDATA; + quant = quant_matrices[quant_idx]; block[0] = (block[0] * quant[0]) >> 11; |