RHSA-2026:28058HighCVSS 9.0

Red Hat Security Advisory: samba security update

Published
June 23, 2026
Last Modified
August 26, 2026

🔗 CVE IDs covered (2)

CVE-2026-4480 →CVE-2026-4408 →

📋 Description

CVE-2026-4408 — samba: Remote Code Execution in SAMR CVE-2026-4480 — samba: Samba: Remote Code Execution in printing subsystem via unescaped job description

🎯 Affected products140

  • Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • ctdb-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • ctdb-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • ctdb-debuginfo-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • ctdb-debuginfo-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • ctdb-debuginfo-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • ctdb-debuginfo-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • ctdb-tests-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • ctdb-tests-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • ctdb-tests-debuginfo-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • ctdb-tests-debuginfo-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • ctdb-tests-debuginfo-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • ctdb-tests-debuginfo-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libsmbclient-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libsmbclient-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libsmbclient-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libsmbclient-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libsmbclient-debuginfo-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libsmbclient-debuginfo-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libsmbclient-debuginfo-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libsmbclient-debuginfo-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libwbclient-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libwbclient-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libwbclient-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libwbclient-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libwbclient-debuginfo-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libwbclient-debuginfo-0:4.13.3-12.el8_4.1.i686 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • libwbclient-debuginfo-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS AUS (v.8.4)
  • libwbclient-debuginfo-0:4.13.3-12.el8_4.1.x86_64 as a component of Red Hat Enterprise Linux BaseOS EUS EXTENSION (v.8.4)
  • +110 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 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: Remove ```"%J"``` from the "print command" in ```smb.conf``` entry.

🔗 References (5)