From: Luca Barbato Date: Fri, 12 Jul 2013 13:02:33 +0000 (+0200) Subject: indeo4: Check the quantization matrix index X-Git-Tag: v10_alpha1~1168 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6255ccf7d51c82ab79bf0cd47a921f572dda4489;p=platform%2Fupstream%2Flibav.git indeo4: Check the quantization matrix index Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org --- diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c index e580074..f1ef02a 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 */