Red Hat Security Advisory 2016-1781-01 – PostgreSQL is an advanced object-relational database management system. The following packages have been upgraded to a newer upstream version: rh-postgresql94-postgresql. Security Fix: A flaw was found in the way PostgreSQL server handled certain SQL statements containing CASE/WHEN commands. A remote, authenticated attacker could use a specially crafted SQL statement to cause PostgreSQL to crash or disclose a few bytes of server memory or possibly execute arbitrary code.