RHSA-2026:62117: Important: postgresql security update

Published Sep 1, 2026
·
Updated

Important: postgresql security update

Other sources

PostgreSQL is an advanced object-relational database management system (DBMS).Security Fix(es): postgresql: PostgreSQL: Denial of Service via uncontrolled recursion in SSL/GSS negotiation (CVE-2026-6479) 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.

— Red Hat

Affected Software

93 affected componentsFixes available
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
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 x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
redhat/postgresql<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-contrib<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-contrib-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-debugsource<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-docs-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plperl<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plperl-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plpython3<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-pltcl<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-private-libs<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-server<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-server-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-test-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-upgrade<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-contrib<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-contrib-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-debugsource<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-docs-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plperl<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plperl-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plpython3<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-pltcl<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-private-libs<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-server<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-server-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-test-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-upgrade<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-contrib<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-contrib-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-debugsource<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-docs-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-plperl<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-plperl-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-plpython3<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-pltcl<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-private-libs<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-server<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-server-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-test-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-upgrade<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_4.3.aa
13.23-1.el9_4.3.aa
redhat/postgresql-contrib<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-contrib-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-debugsource<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-docs-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plperl<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plperl-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plpython3<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-pltcl<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-private-libs<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-server<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-server-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-test-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-upgrade<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_4.3
13.23-1.el9_4.3

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/postgresql to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  2. Upgrade

    Upgrade redhat/postgresql-contrib to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  3. Upgrade

    Upgrade redhat/postgresql-contrib-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  4. Upgrade

    Upgrade redhat/postgresql-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  5. Upgrade

    Upgrade redhat/postgresql-debugsource to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  6. Upgrade

    Upgrade redhat/postgresql-docs-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  7. Upgrade

    Upgrade redhat/postgresql-plperl to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  8. Upgrade

    Upgrade redhat/postgresql-plperl-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  9. Upgrade

    Upgrade redhat/postgresql-plpython3 to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  10. Upgrade

    Upgrade redhat/postgresql-plpython3-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  11. Upgrade

    Upgrade redhat/postgresql-pltcl to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  12. Upgrade

    Upgrade redhat/postgresql-pltcl-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  13. Upgrade

    Upgrade redhat/postgresql-private-libs to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  14. Upgrade

    Upgrade redhat/postgresql-private-libs-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  15. Upgrade

    Upgrade redhat/postgresql-server to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  16. Upgrade

    Upgrade redhat/postgresql-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  17. Upgrade

    Upgrade redhat/postgresql-server-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  18. Upgrade

    Upgrade redhat/postgresql-test-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  19. Upgrade

    Upgrade redhat/postgresql-upgrade to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  20. Upgrade

    Upgrade redhat/postgresql-upgrade-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  21. Upgrade

    Upgrade redhat/postgresql-upgrade-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3
  22. Upgrade

    Upgrade redhat/postgresql to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  23. Upgrade

    Upgrade redhat/postgresql-contrib to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  24. Upgrade

    Upgrade redhat/postgresql-contrib-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  25. Upgrade

    Upgrade redhat/postgresql-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  26. Upgrade

    Upgrade redhat/postgresql-debugsource to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  27. Upgrade

    Upgrade redhat/postgresql-docs-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  28. Upgrade

    Upgrade redhat/postgresql-plperl to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  29. Upgrade

    Upgrade redhat/postgresql-plperl-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  30. Upgrade

    Upgrade redhat/postgresql-plpython3 to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  31. Upgrade

    Upgrade redhat/postgresql-plpython3-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  32. Upgrade

    Upgrade redhat/postgresql-pltcl to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  33. Upgrade

    Upgrade redhat/postgresql-pltcl-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  34. Upgrade

    Upgrade redhat/postgresql-private-libs to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  35. Upgrade

    Upgrade redhat/postgresql-private-libs-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  36. Upgrade

    Upgrade redhat/postgresql-server to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  37. Upgrade

    Upgrade redhat/postgresql-server-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  38. Upgrade

    Upgrade redhat/postgresql-server-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  39. Upgrade

    Upgrade redhat/postgresql-test-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  40. Upgrade

    Upgrade redhat/postgresql-upgrade to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  41. Upgrade

    Upgrade redhat/postgresql-upgrade-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa
  42. Upgrade

    Upgrade redhat/postgresql-upgrade-devel-debuginfo to a version that resolves this vulnerability.

    Fixed in 13.23-1.el9_4.3.aa

Event History

Sep 1, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·01:34 PM
Data Sourced
via Red Hat·01:34 PM
Severity

Frequently Asked Questions

1

What systems are exposed to this issue?

Systems running the affected Red Hat PostgreSQL packages are in scope, including postgresql and postgresql-contrib, along with the listed related subpackages. The provided advisory does not identify specific affected package versions or configurations.

2

What is the impact of successful exploitation?

The issue is identified as CVE-2026-6479 and can cause a denial of service through uncontrolled recursion during SSL/GSS negotiation. The advisory classifies the update as Important and rates the severity as high.

3

What should be done to remediate the issue?

Apply the RHSA-2026:62117 PostgreSQL security update for the relevant installed Red Hat PostgreSQL packages. The supplied information does not provide an alternative mitigation for environments where patching must be delayed.

Company

Resources

Contact

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