This indicates an attack attempt to exploit a Heap Buffer Overflow vulnerability in Oracle's Tuxedo and PeopleSoft products.
The vulnerability is due to an error in the vulnerable application when handling a maliciously crafted request. A remote attacker may be able to exploit this to execute arbitrary code within the context of the application, via a crafted request.
Oracle PeopleSoft Products
Oracle Tuxedo 11.1.1
Oracle Tuxedo 12.1.1
Oracle Tuxedo 12.1.3
Oracle Tuxedo 12.2.2
System Compromise: Remote attackers can gain control of vulnerable systems.
Apply the most recent upgrade or patch from the vendor.