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authorLaurent Aimar <fenrir@videolan.org>2011-09-30 00:05:51 +0200
committerMichael Niedermayer <michaelni@gmx.at>2011-11-06 19:49:11 +0100
commit240546a185931426d241662dbd109f02d64e4107 (patch)
tree096a0bc4ce40c3946393c233efb113874a852abe
parent07df40db6e9cc34127a13ad0553eb88314f82f7c (diff)
downloadffmpeg-240546a185931426d241662dbd109f02d64e4107.tar.gz
Check for out of bounds writes in the Delphine Software International CIN decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit 3035c4034b6af3ad47f921e3385196e1b9d44ddf) (cherry picked from commit 6e774cf67e6f30feb9b3dec11713d6b6dc0b521c) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavcodec/dsicinav.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/dsicinav.c b/libavcodec/dsicinav.c
index f8093fccf2..0d9fe0502e 100644
--- a/libavcodec/dsicinav.c
+++ b/libavcodec/dsicinav.c
@@ -215,6 +215,8 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
/* handle palette */
if (palette_type == 0) {
+ if (palette_colors_count > 256)
+ return AVERROR_INVALIDDATA;
for (i = 0; i < palette_colors_count; ++i) {
cin->palette[i] = bytestream_get_le24(&buf);
bitmap_frame_size -= 3;