There is a potential denial of service with WebSphere Application Server Version 6.1, which is shipped with WebSphere Enterprise Service Bus 6.2, when running a Heartbleed scanning tool.
This security vulnerability is fixed within WebSphere Application Server Interim Fix PI16981. To download the fix and for more information, see Security Bulletin: Denial of Service with WebSphere Application Server and Scanning Tool CVE-2014-0964