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CVE-2020-21697: #8188 (heap-use-after-free from libavformat/mpegenc.c in mpeg_mux_write_packet) – FFmpeg
A heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c of FFmpeg 4.2 allows to cause a denial of service (DOS) via a crafted avi file.
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