generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

avformat/cdxl: Fix integer overflow of image_size

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-12-31 21:41:46 +01:00
parent 975ff6a3c6
commit 3eb5cbe0c5
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
libavformat/cdxl.c
View File

@ -130,6 +130,8 @@ 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;