diff options
| -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; |