diff options
| author | Fredrik Hubinette <hubbe@google.com> | 2017-11-15 17:24:30 -0800 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-01-31 22:56:14 +0100 |
| commit | c11ac27f49f799231999515c0a417ad27eb38be5 (patch) | |
| tree | b6a199ba2356b36df50647740ada45d08b81aceb | |
| parent | 0af4a5b180d4fb5c67d3b1d7be2a1d2027691b37 (diff) | |
| download | ffmpeg-c11ac27f49f799231999515c0a417ad27eb38be5.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 0ff3c1cd48..4d4c1a4df9 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2206,6 +2206,8 @@ 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); |