Buffer Overflow vulnerability in FFMpeg 4.2.3 in dnn_execute_layer_pad in libavfilter/dnn/dnn_backend_native_layer_pad.c due to a call to memcpy without length checks, which could let a remote malicious user execute arbitrary code.
https://trac.ffmpeg.org/ticket/8718
https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-16757
http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=584f396132aa19d21bb1e38ad9a5d428869290cb