IBM DB2 7.2 before FixPak 10a, and earlier versions including 7.1, allows local users to overwrite arbitrary files and gain privileges via a symlink attack on (1) db2job and (2) db2job2.
Buffer overflow in db2dart in IBM DB2 Universal Data Base 7.2 before Fixpak 10 allows local users to gain root privileges via a long command line argument.
Buffer overflow in db2licm in IBM DB2 Universal Data Base 7.2 before Fixpak 10a allows local users to gain root privileges via a long command line argument.
The DB2 Discovery Service for IBM DB2 before FixPak 10a allows remote attackers to cause a denial of service (crash) via a long packet to UDP port 523.
IBM DB2 7.0 allows a remote attacker to cause a denial of service (crash) via a single byte to (1) db2ccs.exe on port 6790, or (2) db2jds.exe on port 6789.
IBM DB2 Universal Database version 6.1 creates an account with a default user name and password, which allows remote attackers to gain access to the database.