1. Ubuntu Security Notices
  2. USN-4140-1

USN-4140-1: Firefox vulnerability

Publication date

25 September 2019

Overview

Firefox could be made to hijack the mouse pointer it if opened a malicious website.

Releases

Packages

  • firefox - Mozilla Open Source web browser

Details

It was discovered that no user notification was given when pointer lock is
enabled. If a user were tricked in to opening a specially crafted website,
an attacker could potentially exploit this to hijack the mouse pointer and
confuse users.

It was discovered that no user notification was given when pointer lock is
enabled. If a user were tricked in to opening a specially crafted website,
an attacker could potentially exploit this to hijack the mouse pointer and
confuse users.

Update instructions

After a standard system update you need to restart Firefox to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
19.04 disco firefox –  69.0.1+build1-0ubuntu0.19.04.1
18.04 bionic firefox –  69.0.1+build1-0ubuntu0.18.04.1
16.04 xenial firefox –  69.0.1+build1-0ubuntu0.16.04.1

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References

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