CVE-2019-25136

Publication date 19 June 2023

Last updated 25 August 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

10.0 · Critical

Score breakdown

Description

A compromised child process could have injected XBL Bindings into privileged CSS rules, resulting in arbitrary code execution and a sandbox escape. This vulnerability affects Firefox < 70.

Read the notes from the security team

Status

Package Ubuntu Release Status
thunderbird 23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Ignored end of standard support, was needed
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support
firefox 23.04 lunar
Not affected
22.10 kinetic
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal Not in release
18.04 LTS bionic Ignored end of standard support, was needs-triage
16.04 LTS xenial Ignored end of standard support
14.04 LTS trusty Ignored end of standard support

Notes

tyhicks

mozjs contains a copy of the SpiderMonkey JavaScript engine

mdeslaur

starting with Ubuntu 22.04, the firefox package is just a script that installs the Firefox snap

Severity score breakdown

Parameter Value
Base score 10.0 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Changed
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

References

Other references