1. Ubuntu Security Notices
  2. USN-4020-1

USN-4020-1: Firefox vulnerability

Publication date

19 June 2019

Overview

Firefox could be made to crash or run programs as your login if it opened a malicious website.

Releases

Packages

  • firefox - Mozilla Open Source web browser

Details

A type confusion bug was discovered in Firefox. If a user were tricked in
to opening a specially crafted website, an attacker could exploit this by
causing a denial of service, or executing arbitrary code.

A type confusion bug was discovered in Firefox. If a user were tricked in
to opening a specially crafted website, an attacker could exploit this by
causing a denial of service, or executing arbitrary code.

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 –  67.0.3+build1-0ubuntu0.19.04.1
18.10 cosmic firefox –  67.0.3+build1-0ubuntu0.18.10.1
18.04 bionic firefox –  67.0.3+build1-0ubuntu0.18.04.1
16.04 xenial firefox –  67.0.3+build1-0ubuntu0.16.04.1

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References

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