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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-27 20:37:27 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-02-17 23:22:44 +0100 |
| commit | e6ac11e41734cbb24ec5e6c73264d030e5f07a64 (patch) | |
| tree | 7c86477aa14e8bcccb01f0bc361dc56fb77f04b0 | |
| parent | 2cac35086c9e103fa98960c546d5017e7363803a (diff) | |
| download | ffmpeg-e6ac11e41734cbb24ec5e6c73264d030e5f07a64.tar.gz | |
aacdec: check channel count
Prevent out of array accesses
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 96f452ac647dae33c53c242ef3266b65a9beafb6)
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/aacdec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c index a0f5344bee..78176d0053 100644 --- a/libavcodec/aacdec.c +++ b/libavcodec/aacdec.c @@ -568,6 +568,11 @@ static av_cold int aac_decode_init(AVCodecContext *avctx) output_scale_factor = 1.0; } + if (avctx->channels > MAX_CHANNELS) { + av_log(avctx, AV_LOG_ERROR, "Too many channels\n"); + return AVERROR_INVALIDDATA; + } + AAC_INIT_VLC_STATIC( 0, 304); AAC_INIT_VLC_STATIC( 1, 270); AAC_INIT_VLC_STATIC( 2, 550); |