Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving errorhandler setup. NOTE: this issue exists because of an incomplete fix for CVE-2018-17183.
https://access.redhat.com/errata/RHSA-2018:3834
https://bugs.chromium.org/p/project-zero/issues/detail?id=1682&desc=2
https://lists.debian.org/debian-lts-announce/2018/10/msg00013.html
https://usn.ubuntu.com/3803-1/
https://www.debian.org/security/2018/dsa-4336