(RHSA-2023:7666) Important: postgresql:12 security update

PostgreSQL is an advanced object-relational database management system (DBMS).

Security Fix(es):

• postgresql: schema_element defeats protective search_path changes (CVE-2023-2454)

• postgresql: Buffer overrun from integer overflow in array modification (CVE-2023-5869)

• postgresql: row security policies disregard user ID changes after inlining. (CVE-2023-2455)

• postgresql: Memory disclosure in aggregate function calls (CVE-2023-5868)

• postgresql: extension script @substitutions@ within quoting allow SQL injection (CVE-2023-39417)

• postgresql: Client memory disclosure when connecting with Kerberos to modified server (CVE-2022-41862)

• postgresql: Role pg_signal_backend can signal certain superuser processes. (CVE-2023-5870)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.