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.
https://support.zabbix.com/browse/ZBX-4015
http://www.vuxml.org/freebsd/048c77df-3211-11e1-9583-14dae938ec40.html
Insight
The following package is affected: zabbix-frontend
