CVE-2018-6156

Publication date 27 June 2019

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Incorect derivation of a packet length in WebRTC in Google Chrome prior to 68.0.3440.75 allowed a remote attacker to potentially exploit heap corruption via a crafted video file.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	18.10 cosmic	Fixed 68.0.3440.75-0ubuntu1
	18.04 LTS bionic	Fixed 68.0.3440.75-0ubuntu0.18.04.1
	16.04 LTS xenial	Fixed 68.0.3440.75-0ubuntu0.16.04.1
	14.04 LTS trusty	Not in release
firefox	19.10 eoan	Fixed 70.0+build2-0ubuntu0.19.10.1
	19.04 disco	Fixed 70.0+build2-0ubuntu0.19.04.1
	18.04 LTS bionic	Fixed 70.0+build2-0ubuntu0.18.04.1
	16.04 LTS xenial	Fixed 70.0+build2-0ubuntu0.16.04.1
	14.04 LTS trusty	Not in release
oxide-qt	18.10 cosmic	Not in release
	18.04 LTS bionic	Not in release
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Not in release

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:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-4165-1
Firefox vulnerabilities
23 October 2019