Zabbix · Zabbix · CVE-2011-3263
**Name of the Vulnerable Software and Affected Versions**
Zabbix versions prior to 1.8.6
Zabbix versions 1.9.x prior to 1.9.4
**Description**
The issue allows context-dependent attackers to cause a denial of service by consuming CPU resources. This can be achieved by executing the vfs.file.cksum command for a special device, such as the /dev/urandom device.
**Recommendations**
For Zabbix versions prior to 1.8.6, update to version 1.8.6 or later.
For Zabbix versions 1.9.x prior to 1.9.4, update to version 1.9.4 or later.