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| author | Martin Storsjö <martin@martin.st> | 2013-09-03 13:53:23 +0300 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2013-09-03 22:57:36 +0300 |
| commit | d719981273bc779c7d1e879d88404fd867f93a0e (patch) | |
| tree | f4118af3c4b272a1ff88d9d020e34f9da0c375e8 | |
| parent | 5bcd3ae5b167fb74215520b01d5d810e0c8986ab (diff) | |
| download | ffmpeg-d719981273bc779c7d1e879d88404fd867f93a0e.tar.gz | |
4xm: Check that the read track value is non-negative
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/4xm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/4xm.c b/libavformat/4xm.c index f003c9c25a..7a87c3695a 100644 --- a/libavformat/4xm.c +++ b/libavformat/4xm.c @@ -131,6 +131,8 @@ static int parse_strk(AVFormatContext *s, return AVERROR_INVALIDDATA; track = AV_RL32(buf + 8); + if (track < 0) + return AVERROR_INVALIDDATA; if (track + 1 > fourxm->track_count) { if (av_reallocp_array(&fourxm->tracks, track + 1, sizeof(AudioTrack))) return AVERROR(ENOMEM); |