CVE-2022-34472

Publication date 5 July 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

If there was a PAC URL set and the server that hosts the PAC was not reachable, OCSP requests would have been blocked, resulting in incorrect error pages being shown. 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 in 102.0+build2-0ubuntu0.21.10.1
	20.04 LTS focal	Fixed in 102.0+build2-0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed in 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 in 1:91.11.0+build1-0ubuntu1
	22.10 kinetic	Fixed in 1:91.11.0+build1-0ubuntu1
	22.04 LTS jammy	Fixed in 1:91.11.0+build2-0ubuntu0.22.04.1
	21.10 impish	Fixed in 1:91.11.0+build2-0ubuntu0.21.10.1
	20.04 LTS focal	Fixed in 1:91.11.0+build2-0ubuntu0.20.04.1
	18.04 LTS bionic	Fixed in 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 4.3 · Medium

Base metrics

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

Scores

Parameter	Value
Base score	4.3 · Medium
Exploitability score	-
Impact score	-

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

References

Related Ubuntu Security Notices (USN)

USN-5504-1
Firefox vulnerabilities
5 July 2022

USN-5512-1
Thunderbird vulnerabilities
14 July 2022