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| author | Martin Storsjö <martin@martin.st> | 2013-09-16 15:36:24 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2013-09-17 11:22:30 +0300 |
| commit | 569d18aa9dc989c37bb4d4b968026fe5afa6fff9 (patch) | |
| tree | d7d1f15b4750526ba99d66b58583c8e5652a23af | |
| parent | e1f3847f860a1094a46be4c5f10db8df616c3135 (diff) | |
| download | ffmpeg-569d18aa9dc989c37bb4d4b968026fe5afa6fff9.tar.gz | |
matroskadec: Verify realaudio codec parameters
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
| -rw-r--r-- | libavformat/matroskadec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c index e8ef81f3d1..dc32fd1cc1 100644 --- a/libavformat/matroskadec.c +++ b/libavformat/matroskadec.c @@ -1622,6 +1622,10 @@ static int matroska_read_header(AVFormatContext *s) track->audio.sub_packet_h = avio_rb16(&b); track->audio.frame_size = avio_rb16(&b); track->audio.sub_packet_size = avio_rb16(&b); + if (flavor <= 0 || track->audio.coded_framesize <= 0 || + track->audio.sub_packet_h <= 0 || track->audio.frame_size <= 0 || + track->audio.sub_packet_size <= 0) + return AVERROR_INVALIDDATA; track->audio.buf = av_malloc(track->audio.frame_size * track->audio.sub_packet_h); if (codec_id == AV_CODEC_ID_RA_288) { st->codec->block_align = track->audio.coded_framesize; |