Red Hat alert RHSA-2023:7884-01 (postgresql:15)

An update for the postgresql:15 module is now available for Red Hat
Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

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

Security Fix(es):

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

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

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

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

* postgresql: MERGE fails to enforce UPDATE or SELECT row security policies
(CVE-2023-39418)

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.

This content is licensed under the Creative Commons Attribution 4.0
International License (https://creativecommons.org/licenses/by/4.0/). If you
distribute this content, or a modified version of it, you must provide
attribution to Red Hat Inc. and provide a link to the original.

Original: https://access.redhat.com/security/data/csaf/v2/advisories/2023/rhsa-2023_7884.json