CVE-2018-18284

Publication date 19 October 2018

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

Artifex Ghostscript 9.25 and earlier allows attackers to bypass a sandbox protection mechanism via vectors involving the 1Policy operator.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ghostscript	18.10 cosmic	Fixed 9.25~dfsg+1-0ubuntu1.1
	18.04 LTS bionic	Fixed 9.25~dfsg+1-0ubuntu0.18.04.2
	16.04 LTS xenial	Fixed 9.25~dfsg+1-0ubuntu0.16.04.2
	14.04 LTS trusty	Fixed 9.25~dfsg+1-0ubuntu0.14.04.2

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=ghostpdl.git;h=8d19fdf63f91f50466b08f23e2d93d37a4c5ea0b

Severity score breakdown

Parameter	Value
Base score	8.6 · High
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-3803-1
Ghostscript vulnerabilities
30 October 2018

Other references