Release Notes for Zabbix 2.4.6

Zabbix Team is pleased to announce the availability of Zabbix 2.4.6.

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 2.4.6. 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

enabled Czech locale to be displayed by default
updated Brazilian Portuguese, Chinese (Taiwan), Czech, Dutch, Japanese and Spanish translations; thanks to Zabbix translators
made net.tcp.service[ntp] item work over UDP

Bug Fixes

fixed "Group" and "Host" dropdowns not setting values in "Events" page when navigating from trigger menu pop-up link and fixed availability reports filter dropdowns mistakenly using "Dropdown first entry" config
fixed a memory leak in SSH checks when configured public and/or private key is not a regular file
fixed an issue with start lines and end lines in vfs.file.regexp[] and vfs.file.regmatch[]
fixed correct display of green circle in maps and showing more unacknowledged problems than total number of problems
removed 'groupid' parameter from global search URLs sometimes causing inaccessible forms due to insufficient permissions
fixed possible SQL error when network discovery rule and LLD rule are processed at the same time
fixed possible deadlocks when deleting items on systems with MySQL backend
fixed possible crash due to uninitialized counterpath variable
added variable initialization for correct operation of system.swap.*[,pages] items
fixed log file reloading if its size is updated later than modification time
fixed system.cpu.util item to work correctly on OpenBSD 5.7
fixed sorting of elements in pages and fixed several requests returning more results than record count set in configuration
fixed security vulnerability in alerter script execution by using strong quoting for script arguments; thanks to Pavel for the report
fixed proc.num[,,run] and proc.num[,,sleep] always returning 0 on AIX hosts
fixed compiler warnings in discoverer, SNMP trapper, LLD, and DNS item code
fixed SQL errors in case a network discovery rule or check is deleted during processing
fixed agent compilation error related to "ifnet" and "ifnet_head" structs on OpenBSD 5.5 and above

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.


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