From 68c63470895d8b8016931af2f94e1dd29b4d8b26 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 31 Dec 2014 21:41:46 +0100 Subject: [PATCH] avformat/cdxl: Fix integer overflow of image_size Signed-off-by: Michael Niedermayer (cherry picked from commit 3eb5cbe0c50d0a0bbe10bcabbd6b16d73d93c128) Signed-off-by: Michael Niedermayer --- libavformat/cdxl.c | 2 ++ 1 file changed, 2 insertions(+) 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;