Unspecified vulnerability in the Default Messaging Component in IBM WebSphere Application Server (WAS) 6.1.0.7 and earlier allows remote attackers to cause a denial of service related to a thread hang, and possibly related to a "TCP issue," or to MPAlarmThread and a resultant memory leak.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34903
http://www.vupen.com/english/advisories/2007/2234
http://www.securityfocus.com/bid/24505
http://www-1.ibm.com/support/docview.wss?uid=swg27007951