RHSA-2026:28132: Important: samba security update

Published Jun 23, 2026
·
Updated

Important: samba security update

Other sources

Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet File System (CIFS) protocol, which allow PC-compatible machines to share files, printers, and various information.Security Fix(es): samba: Samba: Remote Code Execution in printing subsystem via unescaped job description (CVE-2026-4480) samba: Remote Code Execution in SAMR (CVE-2026-4408) 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

82 affected componentsFixes available
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian
Red Hat Red Hat Enterprise Linux Resilient Storage for IBM Power, little endian - Extended Life Cycle Support
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian
Red Hat Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Life Cycle Support
redhat/samba<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libsmbclient<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libsmbclient<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libsmbclient-devel<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libsmbclient-devel<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libwbclient<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libwbclient<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libwbclient-devel<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libwbclient-devel<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-client<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-client-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-client-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-common<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-common-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-common-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-common-tools<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-dc<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-dc-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-debuginfo<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-debuginfo<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-devel<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-devel<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-krb5-printing<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-pidl<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-python<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-python<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-python-test<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-test<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-test-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-test-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-vfs-glusterfs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind-clients<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind-krb5-locator<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind-modules<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind-modules<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-client<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-common-tools<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-dc<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-dc-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-krb5-printing<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-python-test<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-test<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind-clients<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind-krb5-locator<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/ctdb<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/ctdb-tests<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libsmbclient<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libsmbclient-devel<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libwbclient<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/libwbclient-devel<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-client<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-client-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-common-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-common-tools<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-dc<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-dc-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-debuginfo<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-devel<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-krb5-printing<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-python<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-python-test<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-test<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-test-libs<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind-clients<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind-krb5-locator<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/samba-winbind-modules<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/ctdb<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1
redhat/ctdb-tests<4.10.16-26.el7_9.1
4.10.16-26.el7_9.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  2. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  3. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  4. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  5. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  6. Upgrade

    Upgrade redhat/samba-client to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  7. Upgrade

    Upgrade redhat/samba-client-libs to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  8. Upgrade

    Upgrade redhat/samba-common to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  9. Upgrade

    Upgrade redhat/samba-common-libs to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  10. Upgrade

    Upgrade redhat/samba-common-tools to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  11. Upgrade

    Upgrade redhat/samba-dc to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  12. Upgrade

    Upgrade redhat/samba-dc-libs to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  13. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  14. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  15. Upgrade

    Upgrade redhat/samba-krb5-printing to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  16. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  17. Upgrade

    Upgrade redhat/samba-pidl to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  18. Upgrade

    Upgrade redhat/samba-python to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  19. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  20. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  21. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  22. Upgrade

    Upgrade redhat/samba-vfs-glusterfs to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  23. Upgrade

    Upgrade redhat/samba-winbind to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  24. Upgrade

    Upgrade redhat/samba-winbind-clients to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  25. Upgrade

    Upgrade redhat/samba-winbind-krb5-locator to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  26. Upgrade

    Upgrade redhat/samba-winbind-modules to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1
  27. Upgrade

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

    Fixed in 4.10.16-26.el7_9.1
  28. Upgrade

    Upgrade redhat/ctdb-tests to a version that resolves this vulnerability.

    Fixed in 4.10.16-26.el7_9.1

Event History

Jun 23, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·06:05 AM
Data Sourced
via Red Hat·06:05 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:28132?

The severity of RHSA-2026:28132 is high, with a rating of 7.

2

What does RHSA-2026:28132 address?

RHSA-2026:28132 addresses a security vulnerability in the Samba software, which affects file and printer sharing on networks.

3

How do I fix RHSA-2026:28132?

To fix RHSA-2026:28132, you should update the affected Samba packages to the latest version available from Red Hat.

4

What versions of software are affected by RHSA-2026:28132?

The affected software includes redhat/samba, redhat/libsmbclient, redhat/libsmbclient-devel, redhat/libwbclient, redhat/libwbclient-devel, redhat/samba-client, redhat/samba-client-libs, and redhat/samba-common-libs.

5

Is RHSA-2026:28132 a mandatory update?

Yes, it is advisable to apply the update for RHSA-2026:28132 as it addresses critical security vulnerabilities.

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