diff options
| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-11-29 02:58:34 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2017-08-23 13:15:16 +0200 |
| commit | 5497fa83f915b7194d409ce073f90f2ad36d21ce (patch) | |
| tree | c278eb2ced25ad0d90bdde918bed367740053005 | |
| parent | 8e7f5ecfcae761166be2b77349453d51e318c59e (diff) | |
| download | ffmpeg-5497fa83f915b7194d409ce073f90f2ad36d21ce.tar.gz | |
avformat/idroqdec: Check chunk_size for being too large
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 744a0b5206634e5de04d5c31f08cc3640faf800d)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavformat/idroqdec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/idroqdec.c b/libavformat/idroqdec.c index 76bb3924b1..d733953a04 100644 --- a/libavformat/idroqdec.c +++ b/libavformat/idroqdec.c @@ -157,6 +157,9 @@ static int roq_read_packet(AVFormatContext *s, chunk_size = AV_RL32(&preamble[2]) + RoQ_CHUNK_PREAMBLE_SIZE * 2 + codebook_size; + if (chunk_size > INT_MAX) + return AVERROR_INVALIDDATA; + /* rewind */ avio_seek(pb, codebook_offset, SEEK_SET); |