CVE-2022-34481

Publication date 5 July 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

In the <code>nsTArray_Impl::ReplaceElementsAt()</code> function, an integer overflow could have occurred when the number of elements to replace was too large for the container. This vulnerability affects Firefox < 102, Firefox ESR < 91.11, Thunderbird < 102, and Thunderbird < 91.11.

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 102.0+build2-0ubuntu0.21.10.1
	20.04 LTS focal	Fixed 102.0+build2-0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 102.0+build2-0ubuntu0.18.04.1
	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
thunderbird	23.04 lunar	Fixed 1:91.11.0+build1-0ubuntu1
	22.10 kinetic	Fixed 1:91.11.0+build1-0ubuntu1
	22.04 LTS jammy	Fixed 1:91.11.0+build2-0ubuntu0.22.04.1
	21.10 impish	Fixed 1:91.11.0+build2-0ubuntu0.21.10.1
	20.04 LTS focal	Fixed 1:91.11.0+build2-0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed 1:91.11.0+build2-0ubuntu0.18.04.1
	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

CVSS version: CVSS v3.0

Base score 8.8 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality impact	High
Integrity impact	High
Availability impact	High

Scores

Parameter	Value
Base score	8.8 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-5504-1
Firefox vulnerabilities
5 July 2022

USN-5512-1
Thunderbird vulnerabilities
14 July 2022