IBM DB2 Universal Database (UDB) 810 before 8.1 FP10 allows remote authenticated users to cause a denial of service (application crash) via (1) certain equality predicates that trigger self-removal, aka IY70808; and (2) a query with more than 32000 elements in the IN-list, aka LI70817.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-4728
http://www.securityfocus.com/bid/15126
http://www-1.ibm.com/support/docview.wss?uid=swg1LI70817