IBM DB2 for Linux, UNIX and Windows 9.2, 10.1, 10.5, and 11.1 (includes DB2 Connect Server) is vulnerable to a buffer overflow that could allow a local user to overwrite DB2 files or cause a denial of service. IBM X-Force ID: 120668.
https://exchange.xforce.ibmcloud.com/vulnerabilities/120668
http://www.securitytracker.com/id/1038773