CVE-2021-21116

Publication date 8 January 2021

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

Heap buffer overflow in audio in Google Chrome prior to 87.0.4280.141 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Fixed 89.0.4389.82-0ubuntu0.18.04.1
	16.04 LTS xenial	Fixed 89.0.4389.82-0ubuntu0.16.04.1
	14.04 LTS trusty	Not in release

Notes

alexmurray

The Debian chromium source package is called chromium-browser in Ubuntu

mdeslaur

starting with Ubuntu 19.10, the chromium-browser package is just a script that installs the Chromium snap

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