Unspecified vulnerability in the SQLNLS_UNPADDEDCHARLEN function in the New Compiler (aka Starburst derived compiler) component in the server in IBM DB2 9.1 before FP6 allows attackers to cause a denial of service (segmentation violation and trap) via unknown vectors.
http://www.vupen.com/english/advisories/2008/2893
http://www-01.ibm.com/support/docview.wss?uid=swg27013892