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9.0
Red Hat Samba Security Update: Remote Code Execution Risk
RHSA-2026:28058
Summary
Red Hat Samba, a software that allows Windows and Linux computers to share files and printers, has a security update. This update fixes a critical flaw that could allow an attacker to take control of a server remotely. To stay secure, update your Red Hat Samba software as soon as possible.
What to do
- Update redhat ctdb to version 0:4.13.3-12.el8_4.1.
- Update redhat ctdb-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat ctdb-tests to version 0:4.13.3-12.el8_4.1.
- Update redhat ctdb-tests-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat libsmbclient to version 0:4.13.3-12.el8_4.1.
- Update redhat libsmbclient-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat libwbclient to version 0:4.13.3-12.el8_4.1.
- Update redhat libwbclient-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat python3-samba to version 0:4.13.3-12.el8_4.1.
- Update redhat python3-samba-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat python3-samba-test to version 0:4.13.3-12.el8_4.1.
- Update redhat samba to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-client to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-client-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-client-libs to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-client-libs-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-common to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-common-libs to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-common-libs-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-common-tools to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-common-tools-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-debugsource to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-krb5-printing to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-krb5-printing-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-libs to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-libs-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-pidl to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-test to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-test-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-test-libs to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-test-libs-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-vfs-glusterfs-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winbind to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winbind-clients to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winbind-clients-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winbind-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winbind-krb5-locator to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winbind-krb5-locator-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winbind-modules to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winbind-modules-debuginfo to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winexe to version 0:4.13.3-12.el8_4.1.
- Update redhat samba-winexe-debuginfo to version 0:4.13.3-12.el8_4.1.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Red Hat:rhel_aus:8.4::baseos | redhat | ctdb |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | ctdb-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | ctdb-tests |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | ctdb-tests-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | libsmbclient |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | libsmbclient-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | libwbclient |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | libwbclient-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | python3-samba |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | python3-samba-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | python3-samba-test |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-client |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-client-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-client-libs |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-client-libs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-common |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-common-libs |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-common-libs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-common-tools |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-common-tools-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-debugsource |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-krb5-printing |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-krb5-printing-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-libs |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-libs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-pidl |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-test |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-test-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-test-libs |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-test-libs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-vfs-glusterfs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winbind |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winbind-clients |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winbind-clients-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winbind-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winbind-krb5-locator |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winbind-krb5-locator-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winbind-modules |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winbind-modules-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winexe |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_aus:8.4::baseos | redhat | samba-winexe-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | ctdb |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | ctdb-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | ctdb-tests |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | ctdb-tests-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | libsmbclient |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | libsmbclient-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | libwbclient |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | libwbclient-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | python3-samba |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | python3-samba-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | python3-samba-test |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-client |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-client-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-client-libs |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-client-libs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-common |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-common-libs |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-common-libs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-common-tools |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-common-tools-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-debugsource |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-krb5-printing |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-krb5-printing-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-libs |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-libs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-pidl |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-test |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-test-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-test-libs |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-test-libs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-vfs-glusterfs-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winbind |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winbind-clients |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winbind-clients-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winbind-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winbind-krb5-locator |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winbind-krb5-locator-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winbind-modules |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winbind-modules-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winexe |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
| Red Hat:rhel_eus_long_life:8.4::baseos | redhat | samba-winexe-debuginfo |
< 0:4.13.3-12.el8_4.1 Fix: upgrade to 0:4.13.3-12.el8_4.1
|
Original title
Red Hat Security Advisory: samba security update
osv CVSS3.1
9.0
- https://access.redhat.com/errata/RHSA-2026:28058 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2452232 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2479762 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_28058.... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2026-4408 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-4408 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-4408 Vendor Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=16034 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2026-4480 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-4480 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-4480 Vendor Advisory
- https://bugzilla.samba.org/show_bug.cgi?id=16033 Third Party Advisory
Published: 23 Jun 2026 · Updated: 28 Jun 2026 · First seen: 28 Jun 2026