A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the filter_frame function in vf_tile.c.
https://trac.ffmpeg.org/ticket/8313
http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=673fce6d40d9a594fb7a0ea17d296b7d3d9ea856