IBM DB2 Universal Database (UDB) 820 before 8.2 FP10 allows remote authenticated users to cause a denial of service (disk consumption) via a hash join (hsjn) that triggers an infinite loop in sqlri_hsjnFlushBlocks.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-4729
http://www.securityfocus.com/bid/15126