=========================================================================Ubuntu Security Notice USN-1608-1
October 11, 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

Summary:

Several security issues were fixed in Firefox.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

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

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

References:
  https://ubuntu.com/security/notices/USN-1608-1
  CVE-2012-4191, CVE-2012-4192, https://launchpad.net/bugs/1065285

Package Information:
  https://launchpad.net/ubuntu/+source/firefox/16.0.1+build1-0ubuntu0.12.04.1
  https://launchpad.net/ubuntu/+source/firefox/16.0.1+build1-0ubuntu0.11.10.1
  https://launchpad.net/ubuntu/+source/firefox/16.0.1+build1-0ubuntu0.11.04.1
  https://launchpad.net/ubuntu/+source/firefox/16.0.1+build1-0ubuntu0.10.04.1