Module: libav Branch: release/0.8 Commit: 06c52faef27e5bded4ceda7e6d1541f9fb20e84c
Author: Luca Barbato <[email protected]> Committer: Sean McGovern <[email protected]> Date: Fri Jul 12 15:02:33 2013 +0200 indeo4: Check the quantization matrix index Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: [email protected] (cherry picked from commit 6255ccf7d51c82ab79bf0cd47a921f572dda4489) Signed-off-by: Luca Barbato <[email protected]> --- libavcodec/indeo4.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c index 24f5ce6..c197bf3 100644 --- a/libavcodec/indeo4.c +++ b/libavcodec/indeo4.c @@ -361,6 +361,11 @@ 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)) { + av_log_ask_for_sample(avctx, "Quantization matrix %d", + band->quant_mat); + return AVERROR_INVALIDDATA; + } } /* decode block huffman codebook */ _______________________________________________ libav-commits mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-commits
