virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-26 19:01:44 +02:00
Code Issues Releases Activity

indeo4: Fix global array overread.

Browse Source 
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-03-24 12:29:05 +01:00
parent 5cddfc58d8
commit 8a20774a24
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libavcodec/indeo4.c
View File

@ -404,6 +404,10 @@ static int decode_band_hdr(IVI4DecContext *ctx, IVIBandDesc *band,
av_log(avctx, AV_LOG_ERROR, "Custom quant matrix encountered!\n"); av_log(avctx, AV_LOG_ERROR, "Custom quant matrix encountered!\n");
return AVERROR_INVALIDDATA; return AVERROR_INVALIDDATA;
} }
if (band->quant_mat > 21) {
av_log(avctx, AV_LOG_ERROR, "Invalid quant matrix encountered!\n");
return AVERROR_INVALIDDATA;
}
} }
/* decode block huffman codebook */ /* decode block huffman codebook */