CVE-2022-1529

Publication date 23 May 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

An attacker could have sent a message to the parent process where the contents were used to double-index into a JavaScript object, leading to prototype pollution and ultimately attacker-controlled JavaScript executing in the privileged parent process. This vulnerability affects Firefox ESR < 91.9.1, Firefox < 100.0.2, Firefox for Android < 100.3.0, and Thunderbird < 91.9.1.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	23.04 lunar	Not affected
	22.10 kinetic	Not affected
	22.04 LTS jammy	Not affected
	21.10 impish	Fixed 100.0.2+build1-0ubuntu0.21.10.1
	20.04 LTS focal	Fixed 100.0.2+build1-0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 100.0.2+build1-0ubuntu0.18.04.1
	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	Ignored end of life, was needed
	22.04 LTS jammy	Fixed 1:91.9.1+build1-0ubuntu0.22.04.1
	21.10 impish	Fixed 1:91.9.1+build1-0ubuntu0.21.10.1
	20.04 LTS focal	Fixed 1:91.9.1+build1-0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 1:91.9.1+build1-0ubuntu0.18.04.1
	16.04 LTS xenial	Ignored end of standard support
	14.04 LTS trusty	Not in release

Notes

mdeslaur

starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap

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