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CVE 2016-7976

The PS Interpreter in Ghostscript 9.18 and 9.20 allows remote attackers to execute arbitrary code via crafted userparams.

CVE-2016-7976 (Candidate) is related to these bugs:

Bug #1643270: ghostscript (9.19~dfsg-3.1) fixes 6 CVEs

Summary				In	Importance	Status
	1643270	ghostscript (9.19~dfsg-3.1) fixes 6 CVEs		ghostscript (Ubuntu)	High	Fix Released

See the

CVE page on Mitre.org for more details.