Release Notes for Zabbix 2.2.5

Zabbix Team is pleased to announce the availability of Zabbix 2.2.5.

Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is released under the GPL, thus it is free of charge for both commercial and non-commercial use. A complete text of the license is available at

This document contains the release notes for Zabbix 2.2.5. Download it from downloads.

The following sections describe the release in details and provide late-breaking or other information that supplements its main documentation.

New Features and Improvements

prepared frontend for mbstring.internal_encoding ini option deprecation in php 5.6+

Bug Fixes

fixed typos in item descriptions for JMX Tomcat, FreeBSD, HP-UX, Linux and OpenBSD templates
fixed escalator giving false 'no media defined' errors
changed servers timer processes title line to display amount of hosts that have changed maintenance status; active maintenance period count is no longer displayed
fixed disk space reporting for large AIX file systems (>= 16 TB)
removed php mutex locking from server code because of not being used and incompatible licensing issues
corrected misspelled "template" variables in API
fixed vfs.file.regexp, vfs.file.regmatch and to handle carriage returns properly
fixed widget "History of events" and frontend messaging to use visible host names
fixed XXE vulnerability on XML import using obsolete libxml versions; thanks to [email protected] for the report
removed period in caption for "Distribution of values for multiple periods" bar report
fixed items being polled at the same time after host becomes enabled
fixed there being too many expressions in a list in a SQL query
fixed the argument to system.cpu.num[] being ignored on HP-UX

Installation and Upgrade Notes


See Zabbix Manual for full details.


Recompile Zabbix binaries and update front-end PHP files. Execute a database patch if migrating from Zabbix 1.8.x. See Zabbix Manual for a detailed upgrade procedure.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free Upgrade Service for easy migration from earlier versions of Zabbix. Please contact Sales for pricing and more details.


Zabbix 2.2 Manual

Get started in 10 minutes, absolutely FREE

Download Zabbix

Zabbix is true Open Source. No limits or hidden costs.