The remote host is missing an update to the system as announced in the referenced advisory.
The following package is affected: mysql-server
CVE-2004-0837 MySQL 4.x before 4.0.21, and 3.x before 3.23.49, allows attackers to cause a denial of service (crash or hang) via multiple threads that simultaneously alter MERGE table UNIONs.
Solution: Update your system with the appropriate patches or software upgrades.