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authorLaurent Aimar <fenrir@videolan.org>2011-10-01 00:44:55 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-11-06 19:49:12 +0100
commit62da9203fd0c26e075c59eb6a82006de22fdbdc1 (patch)
tree6d4dd318bf292cde72ba31a74a97a42246fb8f53
parent2e1e3c1e41b67b11d06e077255e31886550510c6 (diff)
downloadffmpeg-62da9203fd0c26e075c59eb6a82006de22fdbdc1.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) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavformat/avs.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/avs.c b/libavformat/avs.c
index 878898edbc..eda7f9d2f7 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 = get_buffer(s->pb, palette, size - 4);
if (ret < size - 4)
return AVERROR(EIO);