coders/mat.c in ImageMagick 7.0.8-43 Q16 allows remote attackers to cause a denial of service (use-after-free and application crash) or possibly have unspecified other impact by crafting a Matlab image file that is mishandled in ReadImage in MagickCore/constitute.c.
https://www.debian.org/security/2020/dsa-4715
https://www.debian.org/security/2020/dsa-4712
https://usn.ubuntu.com/4192-1/
https://lists.debian.org/debian-lts-announce/2019/10/msg00028.html
https://github.com/ImageMagick/ImageMagick/issues/1554
https://github.com/ImageMagick/ImageMagick/commit/f7206618d27c2e69d977abf40e3035a33e5f6be0
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00040.html