CVE-2020-12412

Publication date 9 July 2020

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

By navigating a tab using the history API, an attacker could cause the address bar to display the incorrect domain (with the https:// scheme, a blocked port number such as '1', and without a lock icon) while controlling the page contents. This vulnerability affects Firefox < 70.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	20.04 LTS focal	Fixed 70.0+build2-0ubuntu1
	19.10 eoan	Ignored end of life
	18.04 LTS bionic	Fixed 70.0+build2-0ubuntu0.18.04.1
	16.04 LTS xenial	Fixed 70.0+build2-0ubuntu0.16.04.1
	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	None
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N