The remote host is missing an update to the system as announced in the referenced advisory.

Update your system with the appropriate patches or software upgrades. https://launchpad.net/distros/ubuntu/+source/python2.4/+bug/56633 http://www.ubuntu.com/usn/usn-359-1 http://secunia.com/advisories/22276/ http://www.vuxml.org/freebsd/fe83eb5b-55e1-11db-a5ae-00508d6a62df.html

The following packages are affected: python+ipv6 python