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apedec: fix global array overread

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Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-03-28 10:30:44 +02:00
parent 7a5e587249
commit 8db2935db0
1 changed files with 1 additions and 1 deletions
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2
libavcodec/apedec.c
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@ -217,7 +217,7 @@ static av_cold int ape_decode_init(AVCodecContext *avctx)
av_log(avctx, AV_LOG_DEBUG, "Compression Level: %d - Flags: %d\n",
s->compression_level, s->flags);
if (s->compression_level % 1000 || s->compression_level > COMPRESSION_LEVEL_INSANE) {
if (s->compression_level % 1000 || s->compression_level > COMPRESSION_LEVEL_INSANE || !s->compression_level) {
av_log(avctx, AV_LOG_ERROR, "Incorrect compression level %d\n",
s->compression_level);
return AVERROR_INVALIDDATA;