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://www.bugzilla.org/security/3.4/
http://www.vuxml.org/freebsd/d67b517d-8214-11de-88ea-001a4d49522b.html
Insight
The following package is affected: bugzilla