Referenced CVEs: 
CVE-2006-0458
Description: 
=========================================================== Ubuntu Security Notice USN-259-1 March 01, 2006 irssi-text vulnerability CVE-2006-0458 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 5.10 (Breezy Badger) The following packages are affected: irssi-text The problem can be corrected by upgrading the affected package to version 0.8.9+0.8.10rc5-0ubuntu4.1. After a standard system upgrade you need to restart irssi to effect the necessary changes. Details follow: A Denial of Service vulnerability was discoverd in irssi. The DCC ACCEPT command handler did not sufficiently verify the remotely specified arguments. A remote attacker could exploit this to crash irssi by sending a specially crafted DCC commands.