Description
The "Query Compiler, Rewrite, Optimizer" component in IBM DB2 UDB 9.5 before FP6a allows remote authenticated users to cause a denial of service (CPU consumption) via a crafted query involving certain UNION ALL views, leading to an indefinitely large amount of compilation time.
References
- IZ58417 vendor-advisory
- oval:org.mitre.oval:def:14736 vdb-entry signature