Summary
The remote host is missing an update to the system as announced in the referenced advisory.
Solution
Update your system with the appropriate patches or software upgrades.
http://j2.openaether.org/bugzilla/show_bug.cgi?id=99 http://www.vuxml.org/freebsd/55041d37-ff62-11d9-a9a5-000ae4641456.html
Insight
The following package is affected: jabberd
