USN-1620-2: Thunderbird vulnerabilities

Ubuntu Security Notice USN-1620-2

29th October, 2012

thunderbird vulnerabilities

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


Several security issues were fixed in Thunderbird.

Software description

  • thunderbird - Mozilla Open Source mail and newsgroup client


USN-1620-1 fixed vulnerabilities in Firefox. This update provides the
corresponding updates for Thunderbird. Please note that Thunderbird is only
affected by window.location issues through RSS feeds and extensions that
load web content.

Original advisory details:

Mariusz Mlynski and others discovered several flaws in Firefox that allowed
a remote attacker to conduct cross-site scripting (XSS) attacks.
(CVE-2012-4194, CVE-2012-4195)

Antoine Delignat-Lavaud discovered a flaw in the way Firefox handled the
Location object. If a user were tricked into opening a specially crafted
page, a remote attacker could exploit this to bypass security protections
and perform cross-origin reading of the Location object. (CVE-2012-4196)

Update instructions

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

Ubuntu 12.10:
thunderbird 16.0.2+build1-0ubuntu0.12.10.1
Ubuntu 12.04 LTS:
thunderbird 16.0.2+build1-0ubuntu0.12.04.1
Ubuntu 11.10:
thunderbird 16.0.2+build1-0ubuntu0.11.10.1
Ubuntu 10.04 LTS:
thunderbird 16.0.2+build1-0ubuntu0.10.04.1

To update your system, please follow these instructions:

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


CVE-2012-4194, CVE-2012-4195, CVE-2012-4196, LP: 1072362