Getahead Direct Web Remoting (DWR) before 1.1.4 allows attackers to cause a denial of service (memory exhaustion and servlet outage) via unknown vectors related to a large number of calls in a batch.
https://exchange.xforce.ibmcloud.com/vulnerabilities/31382
http://www.vupen.com/english/advisories/2007/0095
http://www.securityfocus.com/bid/21955
http://secunia.com/advisories/23641
http://lists.opensuse.org/opensuse-security-announce/2009-02/msg00002.html