CVE-2018-19478

Publication date 2 January 2019

Last updated 25 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

In Artifex Ghostscript before 9.26, a carefully crafted PDF file can trigger an extremely long running computation when parsing the file.

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: http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=0a7e5a1c309fa0911b892fa40996a7d55d90bace

Severity score breakdown

CVSS version: CVSS v3.0

Base score 5.5 · Medium

Base metrics

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

Scores

Parameter	Value
Base score	5.5 · Medium
Exploitability score	-
Impact score	-

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

References

Other references

https://www.cve.org/CVERecord?id=CVE-2018-19478

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