- Issued:
- 2026-06-23
- Updated:
- 2026-06-23
RHSA-2026:28054 - 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 9.2 Update Services for SAP Solutions.
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: Missing access check on reparse point operations (CVE-2026-1933)
-
samba: vfs_worm does not block directory modification (CVE-2026-2340)
-
samba: group policy certificate enrollment uses http:// without validation (CVE-2026-3012)
-
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
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions | 9.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Life Cycle | 9.2 | x86_64 |
| Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle | 9.2 | ppc64le |
| Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle | 9.2 | s390x |
| Red Hat Enterprise Linux for IBM z Systems - 4 years of updates | 9.2 | s390x |
| Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle | 9.2 | aarch64 |
| Red Hat Enterprise Linux for ARM 64 - 4 years of updates | 9.2 | aarch64 |
| Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions | 9.2 | ppc64le |
| Red Hat Enterprise Linux Server - AUS | 9.2 | x86_64 |
| Red Hat Enterprise Linux Resilient Storage for x86_64 - Extended Life Cycle | 9.2 | x86_64 |
| Red Hat Enterprise Linux Resilient Storage for x86_64 - 4 years of updates | 9.2 | x86_64 |
| Red Hat Enterprise Linux Resilient Storage for Power, little endian - Extended Life Cycle | 9.2 | ppc64le |
| Red Hat Enterprise Linux Resilient Storage for Power, little endian - 4 years of updates | 9.2 | ppc64le |
| Red Hat Enterprise Linux Resilient Storage for IBM z Systems - Extended Life Cycle | 9.2 | s390x |
| Red Hat Enterprise Linux Resilient Storage for IBM z Systems - 4 years of updates | 9.2 | s390x |
Updated Packages
- samba-krb5-printing-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-libs-4.17.5-105.el9_2.5.x86_64.rpm
- libwbclient-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-ldb-ldap-modules-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-vfs-iouring-4.17.5-105.el9_2.5.s390x.rpm
- samba-common-libs-4.17.5-105.el9_2.5.x86_64.rpm
- samba-winbind-modules-4.17.5-105.el9_2.5.x86_64.rpm
- samba-winexe-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-test-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- ctdb-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-usershares-4.17.5-105.el9_2.5.aarch64.rpm
- samba-krb5-printing-4.17.5-105.el9_2.5.x86_64.rpm
- samba-common-tools-4.17.5-105.el9_2.5.x86_64.rpm
- samba-client-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-krb5-printing-4.17.5-105.el9_2.5.s390x.rpm
- samba-common-tools-4.17.5-105.el9_2.5.aarch64.rpm
- samba-test-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-common-libs-4.17.5-105.el9_2.5.i686.rpm
- samba-dc-libs-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-krb5-printing-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-common-tools-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- libwbclient-4.17.5-105.el9_2.5.aarch64.rpm
- samba-dcerpc-4.17.5-105.el9_2.5.s390x.rpm
- samba-dcerpc-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-debugsource-4.17.5-105.el9_2.5.s390x.rpm
- samba-test-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-winbind-krb5-locator-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-winbind-modules-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- python3-samba-dc-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- ctdb-4.17.5-105.el9_2.5.ppc64le.rpm
- libsmbclient-4.17.5-105.el9_2.5.i686.rpm
- samba-client-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- libwbclient-4.17.5-105.el9_2.5.x86_64.rpm
- samba-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-client-libs-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-dcerpc-4.17.5-105.el9_2.5.aarch64.rpm
- samba-libs-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-libs-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-clients-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- python3-samba-dc-4.17.5-105.el9_2.5.aarch64.rpm
- libsmbclient-4.17.5-105.el9_2.5.x86_64.rpm
- samba-ldb-ldap-modules-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-dc-libs-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-usershares-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-common-tools-4.17.5-105.el9_2.5.s390x.rpm
- samba-winbind-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-winbind-clients-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-debugsource-4.17.5-105.el9_2.5.x86_64.rpm
- samba-krb5-printing-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-winbind-modules-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-winbind-krb5-locator-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- libsmbclient-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- python3-samba-dc-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-dcerpc-4.17.5-105.el9_2.5.ppc64le.rpm
- libsmbclient-4.17.5-105.el9_2.5.aarch64.rpm
- python3-samba-4.17.5-105.el9_2.5.aarch64.rpm
- samba-client-4.17.5-105.el9_2.5.aarch64.rpm
- samba-ldb-ldap-modules-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- libsmbclient-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-4.17.5-105.el9_2.5.s390x.rpm
- samba-libs-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-usershares-4.17.5-105.el9_2.5.x86_64.rpm
- samba-vfs-iouring-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-winbind-clients-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-vfs-iouring-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-clients-4.17.5-105.el9_2.5.x86_64.rpm
- libwbclient-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-libs-4.17.5-105.el9_2.5.i686.rpm
- libwbclient-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-vfs-iouring-4.17.5-105.el9_2.5.x86_64.rpm
- samba-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-client-libs-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-winbind-4.17.5-105.el9_2.5.aarch64.rpm
- python3-samba-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- python3-samba-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-winbind-modules-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- ctdb-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- python3-samba-dc-4.17.5-105.el9_2.5.s390x.rpm
- samba-libs-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-4.17.5-105.el9_2.5.aarch64.rpm
- samba-ldb-ldap-modules-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-common-tools-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- libnetapi-4.17.5-105.el9_2.5.aarch64.rpm
- samba-common-4.17.5-105.el9_2.5.noarch.rpm
- samba-common-libs-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-winbind-krb5-locator-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-dc-libs-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-test-libs-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-client-libs-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-4.17.5-105.el9_2.5.src.rpm
- samba-common-libs-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-dcerpc-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-common-tools-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- libnetapi-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-client-libs-4.17.5-105.el9_2.5.i686.rpm
- samba-ldb-ldap-modules-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-client-libs-4.17.5-105.el9_2.5.aarch64.rpm
- libnetapi-4.17.5-105.el9_2.5.ppc64le.rpm
- libwbclient-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- python3-samba-dc-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- ctdb-4.17.5-105.el9_2.5.x86_64.rpm
- samba-ldb-ldap-modules-4.17.5-105.el9_2.5.aarch64.rpm
- samba-libs-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-dc-libs-4.17.5-105.el9_2.5.x86_64.rpm
- python3-samba-dc-4.17.5-105.el9_2.5.x86_64.rpm
- samba-test-libs-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- libnetapi-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-ldb-ldap-modules-4.17.5-105.el9_2.5.x86_64.rpm
- samba-libs-4.17.5-105.el9_2.5.s390x.rpm
- samba-client-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-test-libs-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-test-libs-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-test-libs-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- libwbclient-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-vfs-iouring-4.17.5-105.el9_2.5.ppc64le.rpm
- libnetapi-4.17.5-105.el9_2.5.i686.rpm
- samba-vfs-iouring-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-winbind-clients-4.17.5-105.el9_2.5.s390x.rpm
- samba-winbind-clients-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-winbind-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-client-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-4.17.5-105.el9_2.5.x86_64.rpm
- samba-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-client-libs-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-winbind-clients-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-winbind-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-winbind-krb5-locator-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-dc-libs-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-ldb-ldap-modules-4.17.5-105.el9_2.5.s390x.rpm
- samba-winbind-krb5-locator-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-dcerpc-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-client-libs-4.17.5-105.el9_2.5.s390x.rpm
- libsmbclient-4.17.5-105.el9_2.5.ppc64le.rpm
- libwbclient-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-client-libs-4.17.5-105.el9_2.5.x86_64.rpm
- samba-client-libs-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- libsmbclient-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-debugsource-4.17.5-105.el9_2.5.i686.rpm
- python3-samba-dc-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- libnetapi-4.17.5-105.el9_2.5.s390x.rpm
- samba-common-libs-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- ctdb-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- libsmbclient-4.17.5-105.el9_2.5.s390x.rpm
- python3-samba-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-common-libs-4.17.5-105.el9_2.5.s390x.rpm
- samba-debugsource-4.17.5-105.el9_2.5.ppc64le.rpm
- python3-samba-dc-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-krb5-printing-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- python3-samba-4.17.5-105.el9_2.5.x86_64.rpm
- samba-krb5-printing-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-libs-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-tools-4.17.5-105.el9_2.5.aarch64.rpm
- samba-tools-4.17.5-105.el9_2.5.x86_64.rpm
- samba-winbind-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- libsmbclient-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- ctdb-4.17.5-105.el9_2.5.s390x.rpm
- samba-winbind-modules-4.17.5-105.el9_2.5.i686.rpm
- samba-winbind-modules-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-client-4.17.5-105.el9_2.5.s390x.rpm
- samba-common-libs-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-4.17.5-105.el9_2.5.s390x.rpm
- samba-winbind-modules-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-4.17.5-105.el9_2.5.x86_64.rpm
- samba-debugsource-4.17.5-105.el9_2.5.aarch64.rpm
- libwbclient-4.17.5-105.el9_2.5.s390x.rpm
- libsmbclient-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-dcerpc-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-krb5-locator-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-clients-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-modules-4.17.5-105.el9_2.5.s390x.rpm
- samba-winexe-4.17.5-105.el9_2.5.x86_64.rpm
- samba-dc-libs-4.17.5-105.el9_2.5.aarch64.rpm
- libnetapi-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- ctdb-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- libnetapi-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-common-tools-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- python3-samba-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-client-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-test-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-winbind-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-winbind-krb5-locator-4.17.5-105.el9_2.5.x86_64.rpm
- libnetapi-4.17.5-105.el9_2.5.x86_64.rpm
- python3-samba-dc-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- python3-samba-4.17.5-105.el9_2.5.s390x.rpm
- python3-samba-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-common-libs-4.17.5-105.el9_2.5.ppc64le.rpm
- libwbclient-4.17.5-105.el9_2.5.i686.rpm
- samba-dcerpc-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- python3-samba-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-test-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-common-libs-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-dcerpc-4.17.5-105.el9_2.5.x86_64.rpm
- samba-common-tools-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-tools-4.17.5-105.el9_2.5.s390x.rpm
- samba-vfs-iouring-4.17.5-105.el9_2.5.aarch64.rpm
- libnetapi-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-krb5-locator-4.17.5-105.el9_2.5.s390x.rpm
- samba-winbind-krb5-locator-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-winbind-modules-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-vfs-iouring-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-dc-libs-4.17.5-105.el9_2.5.i686.rpm
- samba-common-tools-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-client-4.17.5-105.el9_2.5.x86_64.rpm
- samba-client-libs-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- python3-samba-4.17.5-105.el9_2.5.i686.rpm
- samba-dc-libs-4.17.5-105.el9_2.5.s390x.rpm
- samba-dc-libs-debuginfo-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-dc-libs-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-client-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-krb5-printing-4.17.5-105.el9_2.5.aarch64.rpm
- samba-krb5-printing-debuginfo-4.17.5-105.el9_2.5.aarch64.rpm
- samba-libs-4.17.5-105.el9_2.5.aarch64.rpm
- samba-tools-4.17.5-105.el9_2.5.ppc64le.rpm
- samba-usershares-4.17.5-105.el9_2.5.s390x.rpm
- ctdb-debuginfo-4.17.5-105.el9_2.5.i686.rpm
- samba-winbind-clients-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
- samba-ldb-ldap-modules-debuginfo-4.17.5-105.el9_2.5.x86_64.rpm
- samba-common-libs-4.17.5-105.el9_2.5.aarch64.rpm
- samba-winbind-modules-debuginfo-4.17.5-105.el9_2.5.s390x.rpm
Fixes
- This content is not included.BZ - 2447317
- This content is not included.BZ - 2447318
- This content is not included.BZ - 2447319
- This content is not included.BZ - 2452232
- This content is not included.BZ - 2479762
CVEs
References
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at Security Contacts and Procedures.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.