The OLAP query engine in IBM DB2 and DB2 Connect 9.7 through FP9, 9.8 through FP5, 10.1 through FP3, and 10.5 through FP2, and the DB2 pureScale Feature 9.8 for Enterprise Server Edition, allows remote authenticated users to cause a denial of service (database outage and deactivation) via unspecified vectors.