CVE-2020-6527

Publication date 22 July 2020

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Insufficient policy enforcement in CSP in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to bypass content security policy via a crafted HTML page.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	20.04 LTS focal	Not in release
	19.10 eoan	Not affected
	18.04 LTS bionic	Fixed 84.0.4147.105-0ubuntu0.18.04.1
	16.04 LTS xenial	Fixed 84.0.4147.105-0ubuntu0.16.04.1
	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	4.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References

Other references

https://www.cve.org/CVERecord?id=CVE-2020-6527