CVE-2018-5158

Publication date 10 May 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The PDF viewer does not sufficiently sanitize PostScript calculator functions, allowing malicious JavaScript to be injected through a crafted PDF file. This JavaScript can then be run with the permissions of the PDF viewer by its worker. This vulnerability affects Firefox ESR < 52.8 and Firefox < 60.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	18.04 LTS bionic	Fixed 60.0+build2-0ubuntu1
	17.10 artful	Fixed 60.0+build2-0ubuntu0.17.10.1
	16.04 LTS xenial	Fixed 60.0+build2-0ubuntu0.16.04.1
	14.04 LTS trusty	Fixed 60.0+build2-0ubuntu0.14.04.1

Severity score breakdown

Parameter	Value
Base score	8.8 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
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-3645-1
Firefox vulnerabilities
11 May 2018