This indicates an attack attempt to exploit an Information Disclosure 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 disclose memory of a target system, via a crafted request.
Oracle PeopleSoft Products
Oracle Tuxedo 12.2.2
Oracle Tuxedo 12.1.3
Oracle Tuxedo 12.1.1
Oracle Tuxedo 11.1.1
Information Disclosure: Remote attackers can gain sensitive information from vulnerable systems
Apply the most recent upgrade or patch from the vendor.