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| author | Fredrik Hubinette <hubbe@google.com> | 2017-11-15 17:24:30 -0800 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-12-02 00:28:59 +0100 |
| commit | 74677deaca819c4a25b01488e0b69d9e984f103f (patch) | |
| tree | 67ff48086123ecff03fb9f83a96838c8119efafc | |
| parent | 4171249d7632ea4ea2964b992eca7adc12dacb76 (diff) | |
| download | ffmpeg-74677deaca819c4a25b01488e0b69d9e984f103f.tar.gz | |
avformat/mov: Check size of STSC allocation
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit a6fdd75fe6440d2f4150cb456a9078aa68b00fdb)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/mov.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index 6768aa2792..85bf2e5211 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2248,6 +2248,8 @@ static int mov_read_stsc(MOVContext *c, AVIOContext *pb, MOVAtom atom) avio_rb24(pb); /* flags */ entries = avio_rb32(pb); + if ((uint64_t)entries * 12 + 4 > atom.size) + return AVERROR_INVALIDDATA; av_log(c->fc, AV_LOG_TRACE, "track[%i].stsc.entries = %i\n", c->fc->nb_streams-1, entries); |