the following vulnerability was published for ghostscript.
| The fill_threshhold_buffer function in base/gxht_thresh.c in Artifex
| Software, Inc. Ghostscript 9.20 allows remote attackers to cause a
| denial of service (heap-based buffer overflow and application crash) or
| possibly have unspecified other impact via a crafted PostScript
If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.