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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-11-29 02:58:34 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-12-04 20:25:15 +0100 |
| commit | ff01dbb6ec88285d11fb87be109007f398cb0e56 (patch) | |
| tree | 4ee599c20aeafe1a3a6294490ff238ff1a7973a6 | |
| parent | 2caee48576871d54bf436a20e91fd81d61033cf4 (diff) | |
| download | ffmpeg-ff01dbb6ec88285d11fb87be109007f398cb0e56.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); |