RHSA-2026:50811: Important: postgresql security update

Published Aug 5, 2026
·
Updated

Important: postgresql security update

Other sources

PostgreSQL is an advanced object-relational database management system (DBMS).Security Fix(es): postgresql: PostgreSQL: Arbitrary code execution vulnerability in 'refint' module (CVE-2026-6637) 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 ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - 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 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 IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
redhat/postgresql<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-contrib<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-contrib-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-debugsource<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-docs-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plperl<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plperl-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plpython3<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-pltcl<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-private-libs<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-server<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-server-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-test-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-upgrade<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-contrib<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-contrib-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-debugsource<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-docs-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plperl<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plperl-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plpython3<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-pltcl<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-private-libs<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-server<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-server-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-test-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-upgrade<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-contrib<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-contrib-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-debugsource<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-docs-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-plperl<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-plperl-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-plpython3<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-pltcl<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-private-libs<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-server<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-server-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-test-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-upgrade<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_2.3.aa
13.23-1.el9_2.3.aa
redhat/postgresql-contrib<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-contrib-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-debugsource<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-docs-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plperl<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plperl-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plpython3<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-pltcl<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-private-libs<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-server<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-server-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-test-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-upgrade<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_2.3
13.23-1.el9_2.3

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_2.3
  2. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  3. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  4. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  5. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  6. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  7. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  8. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  9. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  10. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  11. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  12. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  13. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  14. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  15. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  16. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  17. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  18. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  19. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  20. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  21. Upgrade

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

    Fixed in 13.23-1.el9_2.3
  22. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  23. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  24. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  25. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  26. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  27. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  28. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  29. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  30. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  31. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  32. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  33. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  34. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  35. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  36. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  37. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  38. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  39. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  40. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  41. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa
  42. Upgrade

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

    Fixed in 13.23-1.el9_2.3.aa

Event History

Aug 5, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·12:38 PM
Data Sourced
via Red Hat·12:38 PM
Severity
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of RHSA-2026:50811?

The severity of RHSA-2026:50811 is rated as high with a score of 7.

2

What vulnerabilities are addressed in RHSA-2026:50811?

RHSA-2026:50811 addresses an arbitrary code execution vulnerability in the 'refint' module of PostgreSQL, identified as CVE-2026-6637.

3

How do I fix RHSA-2026:50811?

To fix RHSA-2026:50811, you should apply the latest PostgreSQL security updates provided by Red Hat.

4

What software packages are affected by RHSA-2026:50811?

The affected software packages include redhat/postgresql, redhat/postgresql-contrib, and their corresponding debug and documentation packages.

5

When was RHSA-2026:50811 published?

RHSA-2026:50811 was published on August 5, 2026.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203