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| author | Luca Barbato <lu_zero@gentoo.org> | 2013-05-17 18:29:15 +0200 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2013-05-18 20:39:32 +0200 |
| commit | ed50673066956d6f2201a57c3254569f2ab08d9d (patch) | |
| tree | 491e56c2e556f1a981d2215019108457e1ce8bc7 | |
| parent | 8c34558131d846d2b10389564caadaa206372fd4 (diff) | |
| download | ffmpeg-ed50673066956d6f2201a57c3254569f2ab08d9d.tar.gz | |
wavpack: validate samples size parsed in wavpack_decode_block
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
| -rw-r--r-- | libavcodec/wavpack.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/wavpack.c b/libavcodec/wavpack.c index 38fc26b7ea..8d7c82b2fe 100644 --- a/libavcodec/wavpack.c +++ b/libavcodec/wavpack.c @@ -796,6 +796,9 @@ static int wavpack_decode_block(AVCodecContext *avctx, int block_no, if (!wc->mkv_mode) { s->samples = AV_RL32(buf); buf += 4; + if (s->samples != wc->samples) + return AVERROR_INVALIDDATA; + if (!s->samples) { *got_frame_ptr = 0; return 0; |