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avformat/cdxl: Fix integer overflow of image_size 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 3eb5cbe0c5)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-31 21:41:46 +01:00
parent 0775653b4c
commit 6ac156864c
1 changed files with 2 additions and 0 deletions
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2
libavformat/cdxl.c
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@ -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;