ffmpeg | branch: master | Anton Khirnov <an...@khirnov.net> | Sun Dec 14 21:01:59 2014 +0100| [17ba719d9ba30c970f65747f42d5fbb1e447ca28] | committer: Anton Khirnov
mmvideo: check frame dimensions The frame size must be set by the caller and each dimension must be a multiple of 2. CC: libav-sta...@libav.org Bug-ID: CVE-2014-8543 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=17ba719d9ba30c970f65747f42d5fbb1e447ca28 --- libavcodec/mmvideo.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libavcodec/mmvideo.c b/libavcodec/mmvideo.c index d80c832..25124a3 100644 --- a/libavcodec/mmvideo.c +++ b/libavcodec/mmvideo.c @@ -61,6 +61,13 @@ static av_cold int mm_decode_init(AVCodecContext *avctx) avctx->pix_fmt = AV_PIX_FMT_PAL8; + if (!avctx->width || !avctx->height || + (avctx->width & 1) || (avctx->height & 1)) { + av_log(avctx, AV_LOG_ERROR, "Invalid video dimensions: %dx%d\n", + avctx->width, avctx->height); + return AVERROR(EINVAL); + } + s->frame = av_frame_alloc(); if (!s->frame) return AVERROR(ENOMEM); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
