This indicates an attack attempt to exploit a code-execution vulnerability in Oracle Document Capture.
The vulnerability is located in the "Empop3.dll" ActiveX control through misuse of the "DownloadSingleMessageToFile" method. It may allow remote attackers to execute arbitrary code in the context of the application using the affected ActiveX control. Failed exploit attempts will likely cause the program to crash, resulting in a denial-of-service condition.
Oracle Document Capture 10.1.3.4, 10.1.3.5
System Compromise: Remote attackers can gain control of vulnerable systems.
Refer to the vendor's web site for the suggested workaround: