CVE-2016-7976

Publication date 6 October 2016

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

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

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ghostscript	16.10 yakkety	Fixed 9.19~dfsg+1-0ubuntu6.2
	16.04 LTS xenial	Fixed 9.18~dfsg~0-0ubuntu2.2
	14.04 LTS trusty	Fixed 9.10~dfsg-0ubuntu10.5
	12.04 LTS precise	Fixed 9.05~dfsg-0ubuntu4.4

Notes

sbeattie

reproducer in second oss-security post

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
ghostscript	Upstream: http://git.ghostscript.com/?p=user/chrisl/ghostpdl.git;a=commitdiff;h=71ac87493b1e445d6c07554d4246cf7d4f44875c

Severity score breakdown

CVSS version: CVSS v3.0

Base score 8.8 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	8.8 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3148-1
Ghostscript vulnerabilities
2 December 2016

Other references

Access our resources on patching vulnerabilities