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://asg.web.cmu.edu/archive/message.php?mailbox=archive.cyrus-announce&msg=25 http://www.vuxml.org/freebsd/700d43b4-a42a-11d8-9c6d-0020ed76ef5a.html

The following package is affected: cyrus-imspd The remote version of cyrus-imspd is vulnerable to one or more remotely exploitable buffer overflows.