This indicates an attack attempt to exploit a Buffer Overflow Vulnerability in reSIProcate.
The vulnerability is caused by an error when the vulnerable software handles a crafted SIP message. Via a crafted SIP message, a remote attacker may be able to exploit this to execute arbitrary code within the context of the application.
reSIProcate 1.10.2 and prior
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.