USN-2360-2: Thunderbird vulnerabilities

24 September 2014

thunderbird vulnerabilities

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

  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS


Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.

Software Description

  • thunderbird - Mozilla Open Source mail and newsgroup client


USN-2360-1 fixed vulnerabilities in Firefox. This update provides the corresponding updates for Thunderbird.

Original advisory details:

Antoine Delignat-Lavaud and others discovered that NSS incorrectly handled parsing ASN.1 values. An attacker could use this issue to forge RSA certificates.

Update instructions

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

Ubuntu 14.04 LTS
thunderbird - 1:31.1.2+build1-0ubuntu0.14.04.1
Ubuntu 12.04 LTS
thunderbird - 1:31.1.2+build1-0ubuntu0.12.04.1

To update your system, please follow these instructions:

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