RHSA-2026:70559: High severity Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support vulnerability
Published Sep 23, 2026
·Updated
Important: postgresql:16 security update
Affected Software
13 affected components
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
postgresqlto a version that resolves this vulnerability.Fixed in 16
Event History
Sep 23, 2026
Advisory Published
via Red Hat·05:08 AM
Data Sourced
via Red Hat·05:08 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which environments are covered by this update?
The advisory applies to PostgreSQL 16 packages for the listed Red Hat Enterprise Linux offerings on x86_64, ARM 64, IBM z Systems, and Power little endian, including specified Extended Update Support, Extended Life Cycle, SAP Update Services, and four-years-of-updates subscriptions.
2
What should I do to determine whether my systems need remediation?
Identify systems running PostgreSQL 16 on one of the Red Hat Enterprise Linux products and architectures listed in the advisory, then review the RHSA-2026:70559 erratum to determine the applicable updated packages.