CVE-2022-26382

Publication date 9 March 2022

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

While the text displayed in Autofill tooltips cannot be directly read by JavaScript, the text was rendered using page fonts. Side-channel attacks on the text by using specially crafted fonts could have lead to this text being inferred by the webpage. This vulnerability affects Firefox < 98.

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	Fixed 98.0+build3-0ubuntu0.21.10.2
	20.04 LTS focal	Fixed 98.0+build3-0ubuntu0.20.04.2
	18.04 LTS bionic	Fixed 98.0+build3-0ubuntu0.18.04.2
	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	4.3 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N