IBM DB2 UDB 9.1 before Fixpak 4 does not properly manage storage of a list containing authentication information, which might allow attacke…

IBM DB2 UDB 9.1 before Fixpak 4 does not properly manage storage of a list containing authentication information, which might allow attackers to cause a denial of service (instance crash) or trigger memory corruption. NOTE: the vendor description of this issue is too vague to be certain that it is security-related.