Multiple serious vulnerabilities were found in PostgreSQL. Malicious users can exploit these vulnerabilities to bypass security restrictions and obtain sensitive information.
PostgreSQL 10.x earlier than 10.5
PostgreSQL 9.6.x earlier than 9.6.10
PostgreSQL 9.5.x earlier than 9.5.14
PostgreSQL 9.4.x earlier than 9.4.19
PostgreSQL 9.3.x earlier than 9.3.24
Update to the latest version