GhostScript is vulnerable to denial of service. The attacker is able to cause a denial of service via a crafted PDF file.
git.ghostscript.com/?p=ghostpdl.git;h=4f73e8b4d578e69a17f452fa60d2130c5faaefd6
bugs.ghostscript.com/show_bug.cgi?id=701787
lists.debian.org/debian-lts-announce/2020/08/msg00032.html
security-tracker.debian.org/tracker/CVE-2020-16291
security.gentoo.org/glsa/202008-20
usn.ubuntu.com/4469-1/
www.debian.org/security/2020/dsa-4748