CVE-2020-12414

Publication date 9 July 2020

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

IndexedDB should be cleared when leaving private browsing mode and it is not, the API for WKWebViewConfiguration was being used incorrectly and requires the private instance of this object be deleted when leaving private mode. This vulnerability affects Firefox for iOS < 27.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
firefox	20.04 LTS focal	Not in release
	19.10 eoan	Ignored end of life
	18.04 LTS bionic	Not affected
	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not in release

Notes

mdeslaur

this vulnerability is specific to iOS

Severity score breakdown

Parameter	Value
Base score	6.5 · Medium
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N