Nathan Bossart

**Name of the Vulnerable Software and Affected Versions** PostgreSQL versions prior to 9.1.23 PostgreSQL versions 9.2.x prior to 9.2.18 PostgreSQL versions 9.3.x prior to 9.3.14 PostgreSQL versions 9.4.x prior to 9.4.9 PostgreSQL versions 9.5.x prior to 9.5.4 **Description** The issue allows remote authenticated users with the CREATEDB or CREATEROLE role to gain superuser privileges via a mishandled database or role name that contains specific characters, including a double quote, backslash, carriage return, or newline character, during an administrative operation. **Recommendations** For versions prior to 9.1.23, update to version 9.1.23 or later. For versions 9.2.x prior to 9.2.18, update to version 9.2.18 or later. For versions 9.3.x prior to 9.3.14, update to version 9.3.14 or later. For versions 9.4.x prior to 9.4.9, update to version 9.4.9 or later. For versions 9.5.x prior to 9.5.4, update to version 9.5.4 or later.