SUSE-SU-2026:2074-1: critical: Security update for samba

SLE-UPDATES null at suse.de
Tue May 26 20:34:33 UTC 2026 

# Security update for samba

Announcement ID: SUSE-SU-2026:2074-1  
Release Date: 2026-05-26T12:36:10Z  
Rating: critical  
References:

  * bsc#1261158
  * bsc#1261159
  * bsc#1261160
  * bsc#1261161
  * bsc#1261163

  
Cross-References:

  * CVE-2026-2340
  * CVE-2026-3012
  * CVE-2026-3238
  * CVE-2026-4408
  * CVE-2026-4480

  
CVSS scores:

  * CVE-2026-2340 ( SUSE ):  7.1
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-2340 ( SUSE ):  6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
  * CVE-2026-3012 ( SUSE ):  7.6
    CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
  * CVE-2026-3012 ( SUSE ):  8.0 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
  * CVE-2026-3238 ( SUSE ):  7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-4408 ( SUSE ):  9.4
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-4408 ( SUSE ):  9.9 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-4480 ( SUSE ):  10.0
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
  * CVE-2026-4480 ( SUSE ):  10.0 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
  * CVE-2026-4480 ( NVD ):  8.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

  
Affected Products:

  * openSUSE Leap 15.6
  * SUSE Linux Enterprise High Availability Extension 15 SP6
  * SUSE Linux Enterprise Server 15 SP6
  * SUSE Linux Enterprise Server 15 SP6 LTSS
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6

  
  
An update that solves five vulnerabilities can now be installed.

## Description:

This update for samba fixes the following issues

  * CVE-2026-2340: vfs_worm does not block directory modification (bsc#1261158).
  * CVE-2026-3012: group policy certificate enrollment uses http: // without
    validation (bsc#1261159).
  * CVE-2026-3238: unauthenticated udp packet crashes AD DC nbt server
    (bsc#1261160).
  * CVE-2026-4408: Remote Code Execution in SAMR (bsc#1261163).
  * CVE-2026-4480: Unauthenticated Remote Code Execution (bsc#1261161).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * openSUSE Leap 15.6  
    zypper in -t patch SUSE-2026-2074=1 openSUSE-SLE-15.6-2026-2074=1

  * SUSE Linux Enterprise High Availability Extension 15 SP6  
    zypper in -t patch SUSE-SLE-Product-HA-15-SP6-2026-2074=1

  * SUSE Linux Enterprise Server 15 SP6 LTSS  
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2074=1

  * SUSE Linux Enterprise Server for SAP Applications 15 SP6  
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2074=1

## Package List:

  * openSUSE Leap 15.6 (x86_64)
    * samba-libs-python3-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-devel-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-python3-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
    * ctdb-pcp-pmda-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * ctdb-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-devel-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-dcerpc-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * ctdb-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-ldb-ldap-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-python3-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy-devel-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-test-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy-python3-devel-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-dcerpc-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-tool-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-python3-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-ldb-ldap-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-gpupdate-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-test-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-debugsource-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-python3-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * ctdb-pcp-pmda-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-python3-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * openSUSE Leap 15.6 (noarch)
    * samba-doc-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * openSUSE Leap 15.6 (aarch64_ilp32)
    * samba-client-64bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-64bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-64bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-64bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-64bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-python3-64bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-64bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-64bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-python3-64bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-64bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-64bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-devel-64bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-64bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * openSUSE Leap 15.6 (aarch64 x86_64)
    * samba-ceph-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-ceph-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * SUSE Linux Enterprise High Availability Extension 15 SP6 (aarch64 ppc64le
    s390x x86_64)
    * ctdb-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * ctdb-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-debugsource-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
    * samba-libs-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-devel-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-dcerpc-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-ldb-ldap-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-python3-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy-devel-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy-python3-devel-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-dcerpc-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-tool-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-python3-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-ldb-ldap-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-gpupdate-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-debugsource-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-python3-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-python3-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 x86_64)
    * samba-ceph-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-ceph-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
    * samba-winbind-libs-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
    * samba-libs-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-devel-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-dcerpc-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-ldb-ldap-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-python3-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy-devel-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy-python3-devel-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-dcerpc-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-tool-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-python3-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-ldb-ldap-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-gpupdate-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-debugsource-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * libsamba-policy0-python3-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-python3-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-python3-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
  * SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
    * samba-ceph-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-ceph-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-libs-32bit-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-winbind-libs-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1
    * samba-client-libs-32bit-debuginfo-4.19.8+git.473.51d12fd320c-150600.3.26.1

## References:

  * https://www.suse.com/security/cve/CVE-2026-2340.html
  * https://www.suse.com/security/cve/CVE-2026-3012.html
  * https://www.suse.com/security/cve/CVE-2026-3238.html
  * https://www.suse.com/security/cve/CVE-2026-4408.html
  * https://www.suse.com/security/cve/CVE-2026-4480.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261158
  * https://bugzilla.suse.com/show_bug.cgi?id=1261159
  * https://bugzilla.suse.com/show_bug.cgi?id=1261160
  * https://bugzilla.suse.com/show_bug.cgi?id=1261161
  * https://bugzilla.suse.com/show_bug.cgi?id=1261163

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