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| author | Fredrik Hubinette <hubbe@google.com> | 2017-11-15 17:24:30 -0800 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-11-16 23:26:36 +0100 |
| commit | a6fdd75fe6440d2f4150cb456a9078aa68b00fdb (patch) | |
| tree | 0ac4b88c09d98cff2cefc94e487aa0438935901e | |
| parent | ac922f942fa2eab80886563bf2fbbb4489b98d89 (diff) | |
| download | ffmpeg-a6fdd75fe6440d2f4150cb456a9078aa68b00fdb.tar.gz | |
avformat/mov: Check size of STSC allocation
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 79023ef369..d49d820d2b 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -2595,6 +2595,8 @@ 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[%u].stsc.entries = %u\n", c->fc->nb_streams - 1, entries); |