USN-4194-2: postgresql-common vulnerability postgresql-common vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 ESM Summary postgresql-common could be made to create arbitrary directories. Software Description postgresql-common – PostgreSQL database-cluster manager Details USN-4194-1 fixed a vulnerability in postgresql-common. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Rich Mirch discovered that the postgresql-common pg_ctlcluster script incorrectly handled directory creation. A local attacker could possibly use this issue to escalate privileges. Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 14.04 ESM postgresql-common – 154ubuntu1.1+esm1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References USN-4194-1 CVE-2019-3466 Source: USN-4194-2: postgresql-common vulnerability