USN-1011-2: Thunderbird vulnerability

28 October 2010

thunderbird vulnerability

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

  • Ubuntu 10.10
  • Ubuntu 10.04 LTS
  • Ubuntu 9.10
  • Ubuntu 8.04 LTS


Thunderbird could be made to run programs as your login if it opened a specially crafted email message or news item.

Software Description

  • thunderbird - mail/news client with RSS and integrated spam filter support


USN-1011-1 fixed a vulnerability in Firefox. This update provides the corresponding update for Thunderbird.

Original advisory details:

Morten Krakvik discovered a heap-based buffer overflow in Firefox. If a user were tricked into navigating to a malicious site, an attacker could cause a denial of service or possibly execute arbitrary code as the user invoking the program.

Update instructions

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

Ubuntu 10.10
thunderbird - 3.1.6+build1+nobinonly-0ubuntu0.10.10.1
Ubuntu 10.04 LTS
thunderbird - 3.0.10+build1+nobinonly-0ubuntu0.10.04.1
Ubuntu 9.10
thunderbird -
Ubuntu 8.04 LTS
thunderbird -

To update your system, please follow these instructions:

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