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://xforce.iss.net/xforce/xfdb/57790 http://xforce.iss.net/xforce/xfdb/57791 http://www.vuxml.org/freebsd/3b7967f1-49e8-11df-83fb-0015587e2cc1.html

The following packages are affected: irssi zh-irssi irssi-devel CVE-2010-1155 Irssi before 0.8.15, when SSL is used, does not verify that the server hostname matches a domain name in the subject's Common Name (CN) field or a Subject Alternative Name field of the X.509 certificate, which allows man-in-the-middle attackers to spoof IRC servers via an arbitrary certificate. CVE-2010-1156 core/nicklist.c in Irssi before 0.8.15 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via vectors related to an attempted fuzzy nick match at the instant that a victim leaves a channel.