USN-1758-1: Firefox vulnerability

8 March 2013

firefox vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.10
  • Ubuntu 12.04 LTS
  • Ubuntu 11.10
  • Ubuntu 10.04 LTS


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

Software Description

  • firefox - Mozilla Open Source web browser


It was discovered that Firefox contained a memory safety issue. If a user were tricked into opening a specially crafted page with the HTML editor, a remote attacker could exploit this to execute arbitrary code with the privileges of the user invoking the program.

Update instructions

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

Ubuntu 12.10
firefox - 19.0.2+build1-0ubuntu0.12.10.1
Ubuntu 12.04 LTS
firefox - 19.0.2+build1-0ubuntu0.12.04.1
Ubuntu 11.10
firefox - 19.0.2+build1-0ubuntu0.11.10.1
Ubuntu 10.04 LTS
firefox - 19.0.2+build1-0ubuntu0.10.04.1

To update your system, please follow these instructions:

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