CVE-2018-6142

Publication date 27 June 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Array bounds check failure in V8 in Google Chrome prior to 67.0.3396.62 allowed a remote attacker to perform an out of bounds memory read via a crafted PDF file.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	18.10 cosmic	Fixed 67.0.3396.99-0ubuntu1
	18.04 LTS bionic	Fixed 67.0.3396.99-0ubuntu0.18.04.1
	17.10 artful	Fixed 67.0.3396.99-0ubuntu0.17.10.1
	16.04 LTS xenial	Fixed 67.0.3396.99-0ubuntu0.16.04.2
	14.04 LTS trusty	Not in release
libv8-3.14	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Ignored end of standard support
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Not in release
oxide-qt	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Not in release

Notes

mikesalvatore

The Ubuntu Security Team does not support libv8

Severity score breakdown

CVSS version: CVSS v3.0

Base score 6.5 · Medium

Base metrics

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

Scores

Parameter	Value
Base score	6.5 · Medium
Exploitability score	-
Impact score	-

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