RHSA-2026:50811HighCVSS 8.8

Red Hat Security Advisory: postgresql security update

Published
August 5, 2026
Last Modified
October 6, 2026

🔗 CVE IDs covered (1)

CVE-2026-6637 →

📋 Description

CVE-2026-6637 — postgresql: PostgreSQL: Arbitrary code execution vulnerability in 'refint' module

🎯 Affected products86

  • Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-0:13.23-1.el9_2.3.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-0:13.23-1.el9_2.3.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-0:13.23-1.el9_2.3.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-0:13.23-1.el9_2.3.src as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-0:13.23-1.el9_2.3.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-contrib-0:13.23-1.el9_2.3.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-contrib-0:13.23-1.el9_2.3.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-contrib-0:13.23-1.el9_2.3.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-contrib-0:13.23-1.el9_2.3.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-contrib-debuginfo-0:13.23-1.el9_2.3.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-contrib-debuginfo-0:13.23-1.el9_2.3.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-contrib-debuginfo-0:13.23-1.el9_2.3.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-contrib-debuginfo-0:13.23-1.el9_2.3.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-debuginfo-0:13.23-1.el9_2.3.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-debuginfo-0:13.23-1.el9_2.3.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-debuginfo-0:13.23-1.el9_2.3.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-debuginfo-0:13.23-1.el9_2.3.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-debugsource-0:13.23-1.el9_2.3.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-debugsource-0:13.23-1.el9_2.3.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-debugsource-0:13.23-1.el9_2.3.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-debugsource-0:13.23-1.el9_2.3.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-docs-debuginfo-0:13.23-1.el9_2.3.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-docs-debuginfo-0:13.23-1.el9_2.3.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-docs-debuginfo-0:13.23-1.el9_2.3.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-docs-debuginfo-0:13.23-1.el9_2.3.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-plperl-0:13.23-1.el9_2.3.aarch64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-plperl-0:13.23-1.el9_2.3.ppc64le as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-plperl-0:13.23-1.el9_2.3.s390x as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • postgresql-plperl-0:13.23-1.el9_2.3.x86_64 as a component of Red Hat Enterprise Linux AppStream E4S (v.9.2)
  • +56 more not shown

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258

🔗 References (4)