Release Notes for Zabbix 1.8.19rc1

Zabbix Team is pleased to announce the availability of Zabbix 1.8.19rc1.

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 1.8.19rc1. Download it from downloads.

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

Fixes and minor improvements

ZBX-7479 fixed remote command execution from Zabbix server if flexible user parameters are configured; thanks to Recurity Labs Team for the report
ZBXNEXT-1256 changed example directory size user parameter to return bytes
ZBX-7156 fixed string value escaping in profiles
ZBX-4658 fixed system.boottime and system.uptime returning bogus values on Solaris when agent is compiled as a 64-bit binary
ZBX-7119 fixed data collection stopping after no data maintenance until configuration cache is updated
ZBX-7074 fixed incorrectly parsed trigger expression in trigger wizard

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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