USN-817-1: Thunderbird vulnerabilities

20 August 2009

thunderbird vulnerabilities

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

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS

Software Description

  • thunderbird


Several flaws were discovered in the rendering engine of Thunderbird. If Javascript were enabled, an attacker could exploit these flaws to crash Thunderbird.

Update instructions

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

Ubuntu 9.04
thunderbird -
Ubuntu 8.10
thunderbird -
Ubuntu 8.04 LTS
thunderbird -

To update your system, please follow these instructions:

After a standard system upgrade you need to restart Thunderbird to effect the necessary changes.