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| author | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2008-09-24 18:55:00 +0000 |
|---|---|---|
| committer | Baptiste Coudurier <baptiste.coudurier@gmail.com> | 2008-09-24 18:55:00 +0000 |
| commit | 4e240985d8b856e62e4e0377283138cf51cc398e (patch) | |
| tree | 8d3d0636e4c66aaf8ba082bf010a79035819867c /libavformat | |
| parent | f2d65a6c8a0dba80a11236d17a499093788b12d3 (diff) | |
stop parsing if tag size is wrongly < 8 to avoid infinite loop
Originally committed as revision 15401 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat')
| -rw-r--r-- | libavformat/mov.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c index aec9a9d3c4..c85301288c 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -1379,7 +1379,7 @@ static int mov_read_udta(MOVContext *c, ByteIOContext *pb, MOV_atom_t atom) uint32_t tag = get_le32(pb); uint64_t next = url_ftell(pb) + tag_size - 8; - if (next > end) // stop if tag_size is wrong + if (tag_size < 8 || next > end) // stop if tag_size is wrong break; switch (tag) { |