Issued:
2026-06-23
Updated:
2026-06-23

RHSA-2026:28132 - Important: samba security update


Synopsis

Important: samba security update

Type/Severity

Security Advisory Important

Topic

An update for samba is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

ProductVersionArch
Red Hat Enterprise Linux Server - Extended Life Cycle Support7x86_64
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian7ppc64le
Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian7ppc64
Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)7s390x
Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Life Cycle Support7x86_64
Red Hat Enterprise Linux Resilient Storage for IBM Power, little endian - Extended Life Cycle Support7ppc64le

Updated Packages

  • samba-common-libs-4.10.16-26.el7_9.1.x86_64.rpm
  • libsmbclient-devel-4.10.16-26.el7_9.1.ppc64le.rpm
  • libsmbclient-devel-4.10.16-26.el7_9.1.i686.rpm
  • samba-test-4.10.16-26.el7_9.1.ppc64.rpm
  • libsmbclient-devel-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-debuginfo-4.10.16-26.el7_9.1.ppc.rpm
  • libsmbclient-4.10.16-26.el7_9.1.s390x.rpm
  • samba-4.10.16-26.el7_9.1.ppc64le.rpm
  • libwbclient-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-common-libs-4.10.16-26.el7_9.1.ppc.rpm
  • samba-dc-libs-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-winbind-modules-4.10.16-26.el7_9.1.i686.rpm
  • samba-common-4.10.16-26.el7_9.1.noarch.rpm
  • samba-pidl-4.10.16-26.el7_9.1.noarch.rpm
  • samba-client-libs-4.10.16-26.el7_9.1.i686.rpm
  • samba-krb5-printing-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-winbind-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-python-4.10.16-26.el7_9.1.i686.rpm
  • samba-devel-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-common-libs-4.10.16-26.el7_9.1.s390x.rpm
  • samba-test-libs-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-client-libs-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-test-libs-4.10.16-26.el7_9.1.ppc.rpm
  • samba-debuginfo-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-vfs-glusterfs-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-debuginfo-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-krb5-printing-4.10.16-26.el7_9.1.s390x.rpm
  • samba-python-4.10.16-26.el7_9.1.ppc64le.rpm
  • libwbclient-4.10.16-26.el7_9.1.s390x.rpm
  • samba-winbind-modules-4.10.16-26.el7_9.1.s390.rpm
  • libsmbclient-4.10.16-26.el7_9.1.ppc.rpm
  • samba-libs-4.10.16-26.el7_9.1.i686.rpm
  • samba-dc-4.10.16-26.el7_9.1.s390x.rpm
  • samba-libs-4.10.16-26.el7_9.1.ppc64le.rpm
  • libsmbclient-devel-4.10.16-26.el7_9.1.s390.rpm
  • samba-test-libs-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-winbind-krb5-locator-4.10.16-26.el7_9.1.s390x.rpm
  • samba-common-libs-4.10.16-26.el7_9.1.s390.rpm
  • libsmbclient-devel-4.10.16-26.el7_9.1.ppc.rpm
  • samba-debuginfo-4.10.16-26.el7_9.1.s390x.rpm
  • libwbclient-4.10.16-26.el7_9.1.s390.rpm
  • libwbclient-4.10.16-26.el7_9.1.i686.rpm
  • samba-python-test-4.10.16-26.el7_9.1.s390x.rpm
  • libsmbclient-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-devel-4.10.16-26.el7_9.1.s390x.rpm
  • samba-common-tools-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-winbind-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-4.10.16-26.el7_9.1.s390x.rpm
  • samba-dc-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-dc-4.10.16-26.el7_9.1.ppc64.rpm
  • libwbclient-devel-4.10.16-26.el7_9.1.s390x.rpm
  • libsmbclient-4.10.16-26.el7_9.1.s390.rpm
  • samba-winbind-clients-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-winbind-modules-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-client-4.10.16-26.el7_9.1.s390x.rpm
  • samba-test-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-libs-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-devel-4.10.16-26.el7_9.1.i686.rpm
  • ctdb-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-test-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-python-4.10.16-26.el7_9.1.s390.rpm
  • libsmbclient-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-common-tools-4.10.16-26.el7_9.1.s390x.rpm
  • samba-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-client-4.10.16-26.el7_9.1.ppc64.rpm
  • libwbclient-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-devel-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-client-libs-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-client-libs-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-client-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-dc-libs-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-client-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-devel-4.10.16-26.el7_9.1.ppc.rpm
  • libwbclient-devel-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-winbind-modules-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-python-4.10.16-26.el7_9.1.ppc.rpm
  • libsmbclient-devel-4.10.16-26.el7_9.1.s390x.rpm
  • samba-client-libs-4.10.16-26.el7_9.1.s390x.rpm
  • samba-krb5-printing-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-devel-4.10.16-26.el7_9.1.s390.rpm
  • samba-python-4.10.16-26.el7_9.1.s390x.rpm
  • samba-winbind-clients-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-winbind-krb5-locator-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-winbind-modules-4.10.16-26.el7_9.1.ppc64le.rpm
  • ctdb-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-4.10.16-26.el7_9.1.src.rpm
  • samba-common-libs-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-common-libs-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-debuginfo-4.10.16-26.el7_9.1.s390.rpm
  • libwbclient-devel-4.10.16-26.el7_9.1.ppc.rpm
  • samba-debuginfo-4.10.16-26.el7_9.1.i686.rpm
  • libsmbclient-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-libs-4.10.16-26.el7_9.1.s390.rpm
  • samba-libs-4.10.16-26.el7_9.1.x86_64.rpm
  • libsmbclient-4.10.16-26.el7_9.1.i686.rpm
  • samba-winbind-4.10.16-26.el7_9.1.s390x.rpm
  • libwbclient-devel-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-common-tools-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-devel-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-common-libs-4.10.16-26.el7_9.1.i686.rpm
  • samba-common-tools-4.10.16-26.el7_9.1.x86_64.rpm
  • ctdb-tests-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-python-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-winbind-krb5-locator-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-winbind-krb5-locator-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-winbind-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-dc-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-client-libs-4.10.16-26.el7_9.1.s390.rpm
  • samba-dc-libs-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-python-test-4.10.16-26.el7_9.1.x86_64.rpm
  • libwbclient-devel-4.10.16-26.el7_9.1.s390.rpm
  • samba-python-test-4.10.16-26.el7_9.1.ppc64le.rpm
  • libwbclient-4.10.16-26.el7_9.1.ppc64le.rpm
  • samba-dc-libs-4.10.16-26.el7_9.1.s390x.rpm
  • libwbclient-devel-4.10.16-26.el7_9.1.i686.rpm
  • libwbclient-4.10.16-26.el7_9.1.ppc.rpm
  • samba-libs-4.10.16-26.el7_9.1.ppc.rpm
  • ctdb-tests-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-krb5-printing-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-python-4.10.16-26.el7_9.1.x86_64.rpm
  • samba-winbind-clients-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-python-test-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-test-libs-4.10.16-26.el7_9.1.s390.rpm
  • samba-client-libs-4.10.16-26.el7_9.1.ppc.rpm
  • samba-libs-4.10.16-26.el7_9.1.s390x.rpm
  • samba-test-libs-4.10.16-26.el7_9.1.i686.rpm
  • samba-test-libs-4.10.16-26.el7_9.1.s390x.rpm
  • samba-winbind-modules-4.10.16-26.el7_9.1.s390x.rpm
  • samba-test-4.10.16-26.el7_9.1.s390x.rpm
  • samba-test-libs-4.10.16-26.el7_9.1.ppc64le.rpm
  • libsmbclient-devel-4.10.16-26.el7_9.1.ppc64.rpm
  • samba-winbind-clients-4.10.16-26.el7_9.1.s390x.rpm
  • samba-winbind-modules-4.10.16-26.el7_9.1.ppc.rpm
  • samba-debuginfo-4.10.16-26.el7_9.1.x86_64.rpm
  • libwbclient-devel-4.10.16-26.el7_9.1.ppc64le.rpm

Fixes

CVEs

References


Additional information