USN-427-1: enigmail vulnerability

Ubuntu Security Notice USN-427-1

23rd February, 2007

enigmail vulnerability

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

  • Ubuntu 6.10
  • Ubuntu 6.06 LTS
  • Ubuntu 5.10


Mikhail Markin reported that enigmail incorrectly handled memory
allocations for certain large encrypted attachments. This caused
Thunderbird to crash and thus caused the entire message to be

Update instructions

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

Ubuntu 6.10:
mozilla-thunderbird-enigmail 2:0.94-0ubuntu5.1
Ubuntu 6.06 LTS:
mozilla-thunderbird-enigmail 2:0.94-0ubuntu4.3
Ubuntu 5.10:
mozilla-thunderbird-enigmail 2:0.94-0ubuntu0.5.10.1

To update your system, please follow these instructions:

In general, a standard system upgrade is sufficient to effect the
necessary changes.