CVE-2020-6546

Publication date 21 September 2020

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

Inappropriate implementation in installer in Google Chrome prior to 84.0.4147.125 allowed a local attacker to potentially elevate privilege via a crafted filesystem.

Read the notes from the security team

Status

Package Ubuntu Release Status
chromium-browser 20.04 LTS focal Not in release
18.04 LTS bionic
Fixed 85.0.4183.83-0ubuntu0.18.04.2
16.04 LTS xenial
Fixed 85.0.4183.83-0ubuntu0.16.04.2
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 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Other references