diff options
| author | Fredrik Hubinette <hubbe@google.com> | 2017-11-16 04:24:30 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-01-09 01:19:14 +0300 |
| commit | 7d14046740234e26e01c4e097a09a58ffcadb8e8 (patch) | |
| tree | 6c81dc8650e68c4e415dc97031d043b80c4225fb | |
| parent | e69edb7aef67b01e94c1298b34366570dc83d717 (diff) | |
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 b97aa001a3..7547c78957 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2390,6 +2390,8 @@ 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); |