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://bogofilter.sourceforge.net/security/bogofilter-SA-2005-01 http://www.vuxml.org/freebsd/92140bc9-7bde-11da-8ec4-0002b3b60e4c.html

The following package is affected: bogofilter CVE-2005-4591 Heap-based buffer overflow in bogofilter 0.96.2, 0.95.2, 0.94.14, 0.94.12, and other versions from 0.93.5 to 0.96.2, when using Unicode databases, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via 'invalid input sequences' that lead to heap corruption when bogofilter or bogolexer converts character sets.