Pre-release announcement for Zabbix 2.2, 2.0 and 1.8

[richlv]

Zabbix agent is vulnerable to remote command execution from the Zabbix server in some cases. Patches for this vulnerability will be released on December 3rd.

Patches will be available for the following versions:
2.2.0
2.0.9
2.0.8
1.8.18
1.8.2

After release candidate phase the fix will be included in 2.2.1, 2.0.10 and 1.8.19 releases.