CVE-2018-6056

Publication date 9 January 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Type confusion could lead to a heap out-of-bounds write in V8 in Google Chrome prior to 64.0.3282.168 allowing a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	18.10 cosmic	Fixed 64.0.3282.167-0ubuntu1
	18.04 LTS bionic	Fixed 64.0.3282.167-0ubuntu1
	17.10 artful	Fixed 64.0.3282.167-0ubuntu0.17.10.1
	16.04 LTS xenial	Fixed 64.0.3282.167-0ubuntu0.16.04.1
	14.04 LTS trusty	Fixed 64.0.3282.167-0ubuntu0.14.04.1
libv8-3.14	18.10 cosmic	Ignored end of life
	18.04 LTS bionic	Ignored libv8 not supported
	17.10 artful	Ignored end of life
	16.04 LTS xenial	Ignored libv8 not supported
	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 Ubuntu touch end-of-life
	14.04 LTS trusty	Not in release

Notes

mikesalvatore

The Ubuntu Security Team does not support libv8

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