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| author | Laurent Aimar <fenrir@videolan.org> | 2011-10-01 00:44:55 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-01 20:59:28 +0200 |
| commit | fa79af68453b810af94ccb0260ab38ba7b9bb04c (patch) | |
| tree | 83d1f688ad1fe779d74b0b1c8381078f5a237612 | |
| parent | c23d5261f79671a598f32be8bc403552891af24e (diff) | |
| download | ffmpeg-fa79af68453b810af94ccb0260ab38ba7b9bb04c.tar.gz | |
Check for out of bound writes in the avs demuxer.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 5d44c061cf511d97be5fac8d76be2f3915c6e798)
| -rw-r--r-- | libavformat/avs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/avs.c b/libavformat/avs.c index 83023790d6..127639e7ee 100644 --- a/libavformat/avs.c +++ b/libavformat/avs.c @@ -169,6 +169,8 @@ static int avs_read_packet(AVFormatContext * s, AVPacket * pkt) switch (type) { case AVS_PALETTE: + if (size - 4 > sizeof(palette)) + return AVERROR_INVALIDDATA; ret = avio_read(s->pb, palette, size - 4); if (ret < size - 4) return AVERROR(EIO); |