CVE-2020-22031
A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, which might lead to memory corruption and other potential consequences.
Date published : 2021-05-27
https://trac.ffmpeg.org/attachment/ticket/8243/gdb-vf_w3fdif_191