CVE-2018-19409

Publication date 21 November 2018

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

An issue was discovered in Artifex Ghostscript before 9.26. LockSafetyParams is not checked correctly if another device is used.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
ghostscript	18.10 cosmic	Fixed 9.26~dfsg+0-0ubuntu0.18.10.1
	18.04 LTS bionic	Fixed 9.26~dfsg+0-0ubuntu0.18.04.1
	16.04 LTS xenial	Fixed 9.26~dfsg+0-0ubuntu0.16.04.1
	14.04 LTS trusty	Fixed 9.26~dfsg+0-0ubuntu0.14.04.1

Patch details

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

Package	Patch details
ghostscript	Upstream: https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=661e8d8fb8248c38d67958beda32f3a5876d0c3f

Severity score breakdown

CVSS version: CVSS v3.0

Base score 9.8 · Critical

Base metrics

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

Scores

Parameter	Value
Base score	9.8 · Critical
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-3831-1
Ghostscript vulnerabilities
29 November 2018

Other references

Access our resources on patching vulnerabilities