GNU glibc Remote Heap Buffer Overflow Vulnerability (Wordpress)

Summary
The remote host is using a version of glibc which is prone to a heap-based buffer-overflow vulnerability.
Impact
An attacker can exploit this issue to execute arbitrary code in the context of the affected application. Failed exploit attempts may crash the application, denying service to legitimate users.
Solution
Update your glibc and reboot.
Detection
Send a special crafted XML POST request and check the response
References