CVE-2009-4501
The zbx_get_next_field function in libs/zbxcommon/str.c in Zabbix Server before 1.6.8 allows remote attackers to cause a denial of service (crash) via a request that lacks expected separators, which triggers a NULL pointer dereference, as demonstrated using the Command keyword.
Date published : 2009-12-31
http://www.securityfocus.com/archive/1/508436/30/60/threaded