coders/xwd.c in GraphicsMagick 1.3.31 allows attackers to cause a denial of service (floating-point exception and application crash) by crafting an XWD image file, a different vulnerability than CVE-2019-11008 and CVE-2019-11009.
https://www.debian.org/security/2020/dsa-4640
https://usn.ubuntu.com/4207-1/
https://lists.debian.org/debian-lts-announce/2019/05/msg00027.html
http://www.securityfocus.com/bid/108055
http://www.graphicsmagick.org/Changelog.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00055.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00020.html
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/944dcbc457f8
http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/5402c5cbd8bd