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| author | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2010-09-08 20:20:24 +0000 |
|---|---|---|
| committer | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2010-09-08 20:20:24 +0000 |
| commit | 0e7d436d924a42ef6e8ab628a1f10d72801d1395 (patch) | |
| tree | a86c7a0c3e9c5790abd3e77531fdf5e0eb52953e /libavformat | |
| parent | 9044dd83991491309ecb76c389502e410897d7d2 (diff) | |
Check dref size based on a patch by google
Originally committed as revision 25081 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/mov.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index 1657c2ac99..fdf297096e 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -345,6 +345,9 @@ static int mov_read_dref(MOVContext *c, ByteIOContext *pb, MOVAtom atom) uint32_t size = get_be32(pb); int64_t next = url_ftell(pb) + size - 4; + if (size < 12) + return -1; + dref->type = get_le32(pb); get_be32(pb); // version + flags dprintf(c->fc, "type %.4s size %d\n", (char*)&dref->type, size); |