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| author | Paul B Mahol <onemda@gmail.com> | 2018-03-30 12:32:00 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2018-03-30 12:52:54 +0200 |
| commit | cc402282551d493829455fd097890cc6e2bc556a (patch) | |
| tree | 1ec4b46399d35da41af26de49d52b68d4254e007 | |
| parent | 11f8f9547dbfdd181fed6ffa8270d8c80ae69ef5 (diff) | |
| download | ffmpeg-cc402282551d493829455fd097890cc6e2bc556a.tar.gz | |
avcodec/mpc8: check for overread earlier and abort decoding frame
Signed-off-by: Paul B Mahol <onemda@gmail.com>
| -rw-r--r-- | libavcodec/mpc8.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/mpc8.c b/libavcodec/mpc8.c index 355a9d2f3f..6347e1f691 100644 --- a/libavcodec/mpc8.c +++ b/libavcodec/mpc8.c @@ -273,6 +273,11 @@ static int mpc8_decode_frame(AVCodecContext * avctx, void *data, if(maxband > 32) maxband -= 33; } + if (get_bits_left(gb) < 0) { + *got_frame_ptr = 0; + return buf_size; + } + if(maxband > c->maxbands + 1) { av_log(avctx, AV_LOG_ERROR, "maxband %d too large\n",maxband); return AVERROR_INVALIDDATA; |