Heikki Linnakangas discovered that PostgreSQL incorrectly handled certain nested CASE/WHEN expressions. A remote attacker could possibly use this issue to cause PostgreSQL to crash, resulting in a denial of service. (CVE-2016-5423)
Nathan Bossart discovered that PostgreSQL incorrectly handled special characters in database and role names. A remote attacker could possibly use this issue to escalate privileges. (CVE-2016-5424)
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