WriteEPTImage in coders/ept.c in ImageMagick 7.0.7-25 Q16 allows remote attackers to cause a denial of service (MagickCore/memory.c double free and application crash) or possibly have unspecified other impact via a crafted file.
https://usn.ubuntu.com/3681-1/
https://lists.debian.org/debian-lts-announce/2020/08/msg00030.html