In ImageMagick 7.0.6-2, a memory exhaustion vulnerability was found in the function ReadPSDImage in coders/psd.c, which allows attackers to cause a denial of service.
https://github.com/ImageMagick/ImageMagick/issues/599
https://lists.debian.org/debian-lts-announce/2019/05/msg00015.html
https://lists.debian.org/debian-lts-announce/2020/09/msg00007.html