USN-1360-1: Firefox vulnerability

13 February 2012

firefox vulnerability

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

  • Ubuntu 11.10
  • Ubuntu 11.04
  • Ubuntu 10.10
  • Ubuntu 10.04 LTS


A security vulnerability has been fixed in Firefox.

Software Description

  • firefox - Mozilla Open Source web browser


Andrew McCreight and Olli Pettay discovered a use-after-free vulnerability in the XBL bindings. An attacker could exploit this to cause a denial of service via application crash, or potentially execute code with the privileges of the user invoking Firefox. (CVE-2012-0452)

Update instructions

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

Ubuntu 11.10
firefox - 10.0.1+build1-0ubuntu0.11.10.1
Ubuntu 11.04
firefox - 10.0.1+build1-0ubuntu0.11.04.1
Ubuntu 10.10
firefox - 10.0.1+build1-0ubuntu0.10.10.1
Ubuntu 10.04 LTS
firefox - 10.0.1+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.