BEA WebLogic Server and WebLogic Express 8.1 SP4 and earlier, 7.0 SP5 and earlier, and 6.1 SP7 and earlier allow remote attackers to cause a denial of service (server thread hang) via unknown attack vectors.Referenceshttp://www.securityfocus.com/bid/15052http://dev2dev.bea.com/pub/advisory/138http://secunia.com/advisories/17138
