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://xchat.org/files/source/2.0/patches/xc208-fixsocks5.diff http://marc.theaimsgroup.com/?l=xchat-announce&m=108114935507357 http://www.vuxml.org/freebsd/8338a20f-9573-11d8-9366-0020ed76ef5a.html

The following package is affected: xchat2 CVE-2004-0409 Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with socks5 traversal enabled, allows remote attackers to execute arbitrary code.