CVE-2021-30533

Publication date 7 June 2021

Last updated 21 August 2024

Ubuntu priority

Cvss 3 Severity Score

Insufficient policy enforcement in PopupBlocker in Google Chrome prior to 91.0.4472.77 allowed a remote attacker to bypass navigation restrictions via a crafted iframe.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
chromium-browser	22.04 LTS jammy	Not affected
	21.10 impish	Not affected
	21.04 hirsute	Not affected
	20.10 groovy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Fixed 91.0.4472.77-0ubuntu0.18.04.1
	16.04 LTS xenial	Ignored end of standard support
	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	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N