CVE-2021-30560

Publication date 3 August 2021

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Use after free in Blink XSLT in Google Chrome prior to 91.0.4472.164 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	22.10 kinetic	Not affected
	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 in release
	18.04 LTS bionic	Fixed 92.0.4515.159-0ubuntu0.18.04.1
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Not in release
libxslt	22.10 kinetic	Not affected
	22.04 LTS jammy	Fixed 1.1.34-4ubuntu0.22.04.1
	20.04 LTS focal	Fixed 1.1.34-4ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 1.1.29-5ubuntu0.3
	16.04 LTS xenial	Fixed 1.1.28-2.1ubuntu0.3+esm1
	14.04 LTS trusty	Fixed 1.1.28-2ubuntu0.2+esm2

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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

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libxslt	Upstream: 50f9c9c Upstream: 50f9c9c

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