source: https://www.securityfocus.com/bid/37976/info IBM DB2 is prone to a heap-based buffer-overflow vulnerability because the application fails to perform adequate boundary checks on user-supplied data. Attackers can exploit this issue to execute arbitrary code with elevated privileges or crash the affected application. The issue affects the following: IBM DB2 versions prior to 9.1 Fix Pack 9 IBM DB2 9.7 Other versions may also be affected. SELECT REPEAT(REPEAT('1',1000),1073741825) FROM SYSIBM.SYSDUMMY1