1. Ubuntu Security Notices
  2. USN-3609-1

USN-3609-1: Firefox vulnerability

Publication date

27 March 2018

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 use-after-free was discovered in Firefox. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploit
this to cause a denial of service or execute arbitrary code.

A use-after-free was discovered in Firefox. If a user were tricked in to
opening a specially crafted website, an attacker could potentially exploit
this to cause a denial of service or execute 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
17.10 artful firefox –  59.0.2+build1-0ubuntu0.17.10.1
16.04 xenial firefox –  59.0.2+build1-0ubuntu0.16.04.1
14.04 trusty firefox –  59.0.2+build1-0ubuntu0.14.04.1

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References

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