The remote host is missing an update to the system as announced in the referenced advisory.
The following packages are affected: postgresql postgresql-server ja-postgresql
CVE-2005-0244 PostgreSQL 8.0.0 and earlier allows local users to bypass the EXECUTE permission check for functions by using the CREATE AGGREGATE command.
CVE-2005-0245 Buffer overflow in gram.y for PostgreSQL 8.0.0 and earlier may allow attackers to execute arbitrary code via a large number of arguments to a refcursor function (gram.y), which leads to a heap-based buffer overflow, a different vulnerability than CVE-2005-0247.
CVE-2005-0246 The intagg contrib module for PostgreSQL 8.0.0 and earlier allows attackers to cause a denial of service (crash) via crafted arrays.
Solution: Update your system with the appropriate patches or software upgrades.