RHSA-2026:52395: Important: postgresql security update

Published Aug 10, 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<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-contrib<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-contrib-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-debugsource<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-docs-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plperl<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plperl-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plpython3<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plpython3-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-pltcl<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-pltcl-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-private-libs<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-private-libs-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server-devel-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-test-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade-devel-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-contrib<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-contrib-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-debugsource<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-docs-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plperl<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plperl-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plpython3<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plpython3-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-pltcl<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-pltcl-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-private-libs<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-private-libs-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server-devel-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-test-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade-devel-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-contrib<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-contrib-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-debugsource<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-docs-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plperl<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plperl-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plpython3<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-plpython3-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-pltcl<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-pltcl-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-private-libs<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-private-libs-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server-devel-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-test-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade-devel-debuginfo<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-contrib<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-contrib-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-debugsource<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-docs-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-plperl<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-plperl-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-plpython3<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-plpython3-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-pltcl<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-pltcl-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-private-libs<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-private-libs-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-server<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-server-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-server-devel-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-test-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-upgrade<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-upgrade-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-upgrade-devel-debuginfo<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-docs<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-private-devel<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server-devel<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-static<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-test<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-test-rpm-macros<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade-devel<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-docs<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-private-devel<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server-devel<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-static<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-test<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade-devel<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-docs<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-private-devel<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-server-devel<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-static<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-test<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-upgrade-devel<13.23-5.el9_8.aa
13.23-5.el9_8.aa
redhat/postgresql-docs<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-private-devel<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-server-devel<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-static<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-test<13.23-5.el9_8
13.23-5.el9_8
redhat/postgresql-upgrade-devel<13.23-5.el9_8
13.23-5.el9_8

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 13.23-5.el9_8
  2. Upgrade

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

    Fixed in 13.23-5.el9_8
  3. Upgrade

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

    Fixed in 13.23-5.el9_8
  4. Upgrade

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

    Fixed in 13.23-5.el9_8
  5. Upgrade

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

    Fixed in 13.23-5.el9_8
  6. Upgrade

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

    Fixed in 13.23-5.el9_8
  7. Upgrade

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

    Fixed in 13.23-5.el9_8
  8. Upgrade

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

    Fixed in 13.23-5.el9_8
  9. Upgrade

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

    Fixed in 13.23-5.el9_8
  10. Upgrade

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

    Fixed in 13.23-5.el9_8
  11. Upgrade

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

    Fixed in 13.23-5.el9_8
  12. Upgrade

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

    Fixed in 13.23-5.el9_8
  13. Upgrade

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

    Fixed in 13.23-5.el9_8
  14. Upgrade

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

    Fixed in 13.23-5.el9_8
  15. Upgrade

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

    Fixed in 13.23-5.el9_8
  16. Upgrade

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

    Fixed in 13.23-5.el9_8
  17. Upgrade

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

    Fixed in 13.23-5.el9_8
  18. Upgrade

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

    Fixed in 13.23-5.el9_8
  19. Upgrade

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

    Fixed in 13.23-5.el9_8
  20. Upgrade

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

    Fixed in 13.23-5.el9_8
  21. Upgrade

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

    Fixed in 13.23-5.el9_8
  22. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  23. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  24. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  25. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  26. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  27. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  28. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  29. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  30. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  31. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  32. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  33. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  34. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  35. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  36. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  37. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  38. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  39. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  40. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  41. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  42. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  43. Upgrade

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

    Fixed in 13.23-5.el9_8
  44. Upgrade

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

    Fixed in 13.23-5.el9_8
  45. Upgrade

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

    Fixed in 13.23-5.el9_8
  46. Upgrade

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

    Fixed in 13.23-5.el9_8
  47. Upgrade

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

    Fixed in 13.23-5.el9_8
  48. Upgrade

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

    Fixed in 13.23-5.el9_8
  49. Upgrade

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

    Fixed in 13.23-5.el9_8
  50. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  51. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  52. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  53. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  54. Upgrade

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

    Fixed in 13.23-5.el9_8.aa
  55. Upgrade

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

    Fixed in 13.23-5.el9_8.aa

Event History

Aug 10, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of RHSA-2026:52395?

The severity of RHSA-2026:52395 is classified as Important.

2

What vulnerabilities are addressed in RHSA-2026:52395?

RHSA-2026:52395 addresses a denial of service vulnerability via uncontrolled recursion in SSL/GSS negotiation, identified as CVE-2026-6479.

3

How do I fix RHSA-2026:52395?

To fix RHSA-2026:52395, update your PostgreSQL packages to the latest version as provided in the security advisory.

4

Which software packages are affected by RHSA-2026:52395?

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

5

Is RHSA-2026:52395 applicable to all PostgreSQL installations?

RHSA-2026:52395 is specifically applicable to PostgreSQL installations running the affected Red Hat packages.

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