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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-11-29 02:58:34 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-12-06 00:07:50 +0100 |
| commit | 8e4f737d2f25e13c0567cd34645c2791ba599d32 (patch) | |
| tree | 93228d08d51cef062d43e67e41c63e4bb9f54c74 | |
| parent | 2d51cb1d0ad91ced96ca502d97481269de19eeb1 (diff) | |
| download | ffmpeg-8e4f737d2f25e13c0567cd34645c2791ba599d32.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 b66427968f..83701b59c5 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); |