CVE-2022-28282

Publication date 6 April 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

By using a link with <code>rel="localization"</code> a use-after-free could have been triggered by destroying an object during JavaScript execution and then referencing the object through a freed pointer, leading to a potential exploitable crash. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	23.04 lunar	Fixed 1:1snap1-0ubuntu1
	22.10 kinetic	Fixed 1:1snap1-0ubuntu1
	22.04 LTS jammy	Fixed 1:1snap1-0ubuntu1
	21.10 impish	Fixed 99.0+build2-0ubuntu0.21.10.2
	20.04 LTS focal	Fixed 99.0+build2-0ubuntu0.20.04.2
	18.04 LTS bionic	Fixed 99.0+build2-0ubuntu0.18.04.2
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Not in release
thunderbird	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Fixed 1:91.8.1+build1-0ubuntu0.21.10.1
	20.04 LTS focal	Fixed 1:91.8.1+build1-0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 1:91.8.1+build1-0ubuntu0.18.04.1
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Not in release

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	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVE-2022-28282

Cvss 3 Severity Score

Description

Status

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references