=========================================================================== Ubuntu Security Notice USN-3066-1 August 18, 2016 postgresql-9.1, postgresql-9.3, postgresql-9.5 vulnerabilities =========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.04 LTS - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS Summary: Several security issues were fixed in PostgreSQL. Software Description: - postgresql-9.5: object-relational SQL database - postgresql-9.3: Object-relational SQL database - postgresql-9.1: Object-relational SQL database Details: 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) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.04 LTS: postgresql-9.5 9.5.4-0ubuntu0.16.04 Ubuntu 14.04 LTS: postgresql-9.3 9.3.14-0ubuntu0.14.04 Ubuntu 12.04 LTS: postgresql-9.1 9.1.23-0ubuntu0.12.04 This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart PostgreSQL to make all the necessary changes. References: http://www.ubuntu.com/usn/usn-3066-1 CVE-2016-5423, CVE-2016-5424 Package Information: https://launchpad.net/ubuntu/+source/postgresql-9.5/9.5.4-0ubuntu0.16.04 https://launchpad.net/ubuntu/+source/postgresql-9.3/9.3.14-0ubuntu0.14.04 https://launchpad.net/ubuntu/+source/postgresql-9.1/9.1.23-0ubuntu0.12.04