Ubuntu Security Notice USN-927-8 July 23, 2010
thunderbird update
https://launchpad.net/bugs/559918
===========================================================
A security issue affects the following Ubuntu releases:
Ubuntu 9.04
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
Ubuntu 9.04:
thunderbird 2.0.0.24+build1+nobinonly-0ubuntu0.9.04.2
After a standard system upgrade you need to restart Thunderbird to effect
the necessary changes.
Details follow:
USN-927-1 fixed vulnerabilities in NSS. This update provides the
Thunderbird update to use the new NSS.
Original advisory details:
Marsh Ray and Steve Dispensa discovered a flaw in the TLS and SSLv3
protocols. If an attacker could perform a man in the middle attack at the
start of a TLS connection, the attacker could inject arbitrary content at
the beginning of the user’s session. This update adds support for the new
new renegotiation extension and will use it when the server supports it.