PostgreSQL is an advanced object-relational database management system (DBMS). The following packages have been upgraded to a later upstream version: postgresql (12.7) Security Fix(es): * postgresql: Buffer overrun from integer overflow in array subscripting calculations (CVE-2021-32027) * postgresql: Memory disclosure in INSERT ... ON CONFLICT ... DO UPDATE (CVE-2021-32028) * postgresql: Memory disclosure in partitioned-table UPDATE ... RETURNING (CVE-2021-32029) * postgresql: Partition constraint violation errors leak values of denied columns (CVE-2021-3393) 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.