The SQL engine in IBM DB2 9.5 through FP10, 9.7 through FP9a, 9.8 through FP5, 10.1 through FP4, and 10.5 before FP4 on Linux, UNIX, and Windows allows remote authenticated users to cause a denial of service (daemon crash) via a crafted UNION clause in a subquery of a SELECT statement.
https://exchange.xforce.ibmcloud.com/vulnerabilities/94263
http://www.securityfocus.com/bid/69546
http://www-01.ibm.com/support/docview.wss?uid=swg21683297
http://www-01.ibm.com/support/docview.wss?uid=swg21681623
http://www-01.ibm.com/support/docview.wss?uid=swg1IT02646
http://www-01.ibm.com/support/docview.wss?uid=swg1IT02645
http://www-01.ibm.com/support/docview.wss?uid=swg1IT02644
http://www-01.ibm.com/support/docview.wss?uid=swg1IT02643
http://www-01.ibm.com/support/docview.wss?uid=swg1IT02433