CVE-2022-1196

Publication date 6 April 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

After a VR Process is destroyed, a reference to it may have been retained and used, leading to a use-after-free and potentially exploitable crash. This vulnerability affects Thunderbird < 91.8 and Firefox ESR < 91.8.

Read the notes from the security team

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	Ignored end of life
	20.04 LTS focal	Not in release
	18.04 LTS bionic	Ignored end of standard support, was needed
	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

Notes

tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine

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

References

Related Ubuntu Security Notices (USN)

USN-5393-1
Thunderbird vulnerabilities
27 April 2022