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authorMichael Niedermayer <michaelni@gmx.at>2014-12-31 21:41:46 +0100
committerMichael Niedermayer <michaelni@gmx.at>2015-01-09 17:19:09 +0100
commit68c63470895d8b8016931af2f94e1dd29b4d8b26 (patch)
tree14cca1b91d4122b05e638184587e0239b09c124f
parentbcd7f35717dbcb4bae3790912c9c08889c6b588e (diff)
downloadffmpeg-68c63470895d8b8016931af2f94e1dd29b4d8b26.tar.gz
avformat/cdxl: Fix integer overflow of image_size
Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit 3eb5cbe0c50d0a0bbe10bcabbd6b16d73d93c128) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavformat/cdxl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/cdxl.c b/libavformat/cdxl.c
index e3e379aef7..6d8e750b83 100644
--- a/libavformat/cdxl.c
+++ b/libavformat/cdxl.c
@@ -127,6 +127,8 @@ static int cdxl_read_packet(AVFormatContext *s, AVPacket *pkt)
height = AV_RB16(&cdxl->header[16]);
palette_size = AV_RB16(&cdxl->header[20]);
audio_size = AV_RB16(&cdxl->header[22]);
+ if (FFALIGN(width, 16) * (uint64_t)height * cdxl->header[19] > INT_MAX)
+ return AVERROR_INVALIDDATA;
image_size = FFALIGN(width, 16) * height * cdxl->header[19] / 8;
video_size = palette_size + image_size;