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. http://www.ubuntu.com/usn/usn-586-1 http://secunia.com/advisories/28794 http://sourceforge.net/project/shownotes.php?release_id=593924 http://www.vuxml.org/freebsd/f47f2746-12c5-11dd-bab7-0016179b2dd5.html

The following packages are affected: ja-mailman mailman mailman-with-htdig CVE-2008-0564 Multiple cross-site scripting (XSS) vulnerabilities in Mailman before 2.1.10b1 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors related to (1) editing templates and (2) the list's 'info attribute' in the web administrator interface, a different vulnerability than CVE-2006-3636.