USN-3073-1: Thunderbird vulnerabilities

22 September 2016

thunderbird vulnerabilities

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

  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS


Thunderbird could be made to crash or run programs as your login if it opened a malicious message.

Software Description

  • thunderbird - Mozilla Open Source mail and newsgroup client


Christian Holler, Carsten Book, Gary Kwong, Jesse Ruderman, Andrew McCreight, and Phil Ringnalda discovered multiple memory safety issues in Thunderbird. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these to cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-2836)

Update instructions

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

Ubuntu 16.04 LTS
thunderbird - 1:45.3.0+build1-0ubuntu0.16.04.2
Ubuntu 14.04 LTS
thunderbird - 1:45.3.0+build1-0ubuntu0.14.04.4
Ubuntu 12.04 LTS
thunderbird - 1:45.3.0+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.