This indicates an attack attempt to exploit a Buffer Overflow vulnerability in HP LoadRunner and Performance Center.
The vulnerability is due to an error when the vulnerable software handles a maliciously crafted packet. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted client request.
HP LoadRunner v12.53.0 and earlier
HP Performance Center v12.53.0 and earlier
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply patch, available from the web site.