USN-1608-1: Firefox vulnerabilities

11 October 2012

firefox vulnerabilities

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

  • Ubuntu 12.04 LTS
  • Ubuntu 11.10
  • Ubuntu 11.04
  • Ubuntu 10.04 LTS


Several security issues were fixed in Firefox.

Software Description

  • firefox - Mozilla Open Source web browser


It was discovered that the browser engine used in Firefox contained a memory corruption flaw. If a user were tricked into opening a specially crafted web page, a remote attacker could cause Firefox to crash or potentially execute arbitrary code as the user invoking the program. (CVE-2012-4191)

It was discovered that Firefox allowed improper access to the Location object. An attacker could exploit this to obtain sensitive information. (CVE-2012-4192)

Update instructions

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

Ubuntu 12.04 LTS
firefox - 16.0.1+build1-0ubuntu0.12.04.1
Ubuntu 11.10
firefox - 16.0.1+build1-0ubuntu0.11.10.1
Ubuntu 11.04
firefox - 16.0.1+build1-0ubuntu0.11.04.1
Ubuntu 10.04 LTS
firefox - 16.0.1+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.