GhostScript is vulnerable to denial of service. An attacker is able to cause a denial of service via a crafted PDF file.
git.ghostscript.com/?p=ghostpdl.git;h=93cb0c0adbd9bcfefd021d59c472388f67d3300d
bugs.ghostscript.com/show_bug.cgi?id=701786
lists.debian.org/debian-lts-announce/2020/08/msg00032.html
security-tracker.debian.org/tracker/CVE-2020-16290
security.gentoo.org/glsa/202008-20
usn.ubuntu.com/4469-1/
www.debian.org/security/2020/dsa-4748