Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: [email protected]
---
libavformat/4xm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavformat/4xm.c b/libavformat/4xm.c
index f003c9c..7a87c36 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);
--
1.7.9.4
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