FFmpeg version n6.1 was discovered to contain a heap buffer overflow vulnerability in the draw_block_rectangle function of libavfilter/vf_codecview.c. This vulnerability allows attackers to cause undefined behavior or a Denial of Service (DoS) via crafted input.
gist.github.com/1047524396/b47d5efe3bc420fb91dbb77c73c0fff3
github.com/FFmpeg/FFmpeg/blob/n6.1.1/libavfilter/vf_codecview.c#L220
github.com/ffmpeg/ffmpeg/commit/99debe5f823f45a482e1dc08de35879aa9c74bd2
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