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| author | Luca Barbato <lu_zero@gentoo.org> | 2013-07-12 15:02:33 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-07-13 19:11:18 +0200 |
| commit | 6255ccf7d51c82ab79bf0cd47a921f572dda4489 (patch) | |
| tree | 196b28f84541092af0ddcc95e422ad2f9e745c79 /libavcodec/indeo4.c | |
| parent | 8435bca087c0e79385763c51de009fd89390b6a5 (diff) | |
indeo4: Check the quantization matrix index
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Diffstat (limited to 'libavcodec/indeo4.c')
| -rw-r--r-- | libavcodec/indeo4.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c index e5800741a1..f1ef02a74c 100644 --- a/libavcodec/indeo4.c +++ b/libavcodec/indeo4.c @@ -359,6 +359,11 @@ static int decode_band_hdr(IVI45DecContext *ctx, IVIBandDesc *band, av_log(avctx, AV_LOG_ERROR, "Custom quant matrix encountered!\n"); return AVERROR_INVALIDDATA; } + if (band->quant_mat >= FF_ARRAY_ELEMS(quant_index_to_tab)) { + avpriv_request_sample(avctx, "Quantization matrix %d", + band->quant_mat); + return AVERROR_INVALIDDATA; + } } /* decode block huffman codebook */ |