RHSA-2026:62116: Important: postgresql security update

Published Sep 1, 2026
·
Updated

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.

Affected Software

109 affected componentsFixes available
redhat/postgresql<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-contrib<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-contrib-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-debugsource<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-docs-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plperl<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plperl-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plpython3<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-pltcl<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-private-libs<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-test-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-contrib<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-contrib-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-debugsource<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-docs-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plperl<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plperl-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plpython3<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-pltcl<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-private-libs<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-test-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-contrib<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-contrib-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-debugsource<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-docs-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plperl<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plperl-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plpython3<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-pltcl<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-private-libs<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-test-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-contrib<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-contrib-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-debugsource<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-docs-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-plperl<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-plperl-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-plpython3<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-plpython3-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-pltcl<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-pltcl-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-private-libs<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-private-libs-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-server<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-server-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-server-devel-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-test-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-upgrade<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-upgrade-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-upgrade-devel-debuginfo<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-docs<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-private-devel<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server-devel<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-static<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-test<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-test-rpm-macros<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade-devel<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-docs<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-private-devel<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server-devel<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-static<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-test<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade-devel<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-docs<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-private-devel<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-server-devel<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-static<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-test<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-upgrade-devel<13.23-1.el9_6.4
13.23-1.el9_6.4
redhat/postgresql-docs<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-private-devel<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-server-devel<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-static<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-test<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa
redhat/postgresql-upgrade-devel<13.23-1.el9_6.4.aa
13.23-1.el9_6.4.aa

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_6.4
  2. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  3. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  4. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  5. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  6. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  7. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  8. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  9. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  10. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  11. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  12. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  13. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  14. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  15. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  16. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  17. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  18. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  19. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  20. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  21. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  22. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  23. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  24. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  25. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  26. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  27. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  28. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  29. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  30. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  31. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  32. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  33. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  34. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  35. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  36. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  37. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  38. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  39. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  40. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  41. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  42. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  43. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  44. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  45. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  46. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  47. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  48. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  49. Upgrade

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

    Fixed in 13.23-1.el9_6.4
  50. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  51. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  52. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  53. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  54. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa
  55. Upgrade

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

    Fixed in 13.23-1.el9_6.4.aa

Event History

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

Frequently Asked Questions

1

Which PostgreSQL package variants are covered by this advisory?

The advisory covers redhat/postgresql and redhat/postgresql-contrib, along with the debuginfo, debugsource, documentation debuginfo, PL/Perl, and PL/Perl debuginfo package variants listed in the advisory.

2

What identifier should be used to track the underlying security issue?

Track the issue as CVE-2026-6479. The advisory identifies it as a denial-of-service issue involving uncontrolled recursion during SSL/GSS negotiation.

Company

Resources

Contact

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