<div class="container">
<h1>Security update for samba</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2076-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-26T12:36:52Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>critical</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1255755">bsc#1255755</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1257200">bsc#1257200</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259441">bsc#1259441</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261158">bsc#1261158</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261159">bsc#1261159</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261160">bsc#1261160</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261161">bsc#1261161</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261163">bsc#1261163</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261188">bsc#1261188</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>
Cross-References:
</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-1933.html">CVE-2026-1933</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-2340.html">CVE-2026-2340</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-3012.html">CVE-2026-3012</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-3238.html">CVE-2026-3238</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-4408.html">CVE-2026-4408</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-4480.html">CVE-2026-4480</a>
</li>
</ul>
</td>
</tr>
<tr>
<th>CVSS scores:</th>
<td>
<ul class="list-group">
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-1933</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-1933</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-2340</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">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</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-2340</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-3012</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.6</span>
<span class="cvss-vector">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</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-3012</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.0</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-3238</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-4408</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.4</span>
<span class="cvss-vector">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</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-4408</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-4480</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">10.0</span>
<span class="cvss-vector">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</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-4480</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">10.0</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-4480</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">Basesystem Module 15-SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise High Availability Extension 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP7</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves six vulnerabilities and has three security fixes can now be installed.</p>
<h2>Description:</h2>
<p>This update for samba fixes the following issues</p>
<p>Security issues:</p>
<ul>
<li>CVE-2026-1933: Missing access check on reparse point operations (bsc#1261188).</li>
<li>CVE-2026-2340: vfs_worm does not block directory modification (bsc#1261158).</li>
<li>CVE-2026-3012: group policy certificate enrollment uses http: // without validation (bsc#1261159).</li>
<li>CVE-2026-3238: unauthenticated udp packet crashes AD DC nbt server (bsc#1261160).</li>
<li>CVE-2026-4408: Remote Code Execution in SAMR (bsc#1261163).</li>
<li>CVE-2026-4480: Unauthenticated Remote Code Execution (bsc#1261161).</li>
</ul>
<p>Non security issue:</p>
<ul>
<li>network:samba:STABLE/samba: "use-kerberos=desired" broken / Dolphin requires login for Samba shares (bsc#1255755).</li>
<li>Generated dynamic profile based on path to special 'printers' share. (bsc#1259441).</li>
<li>Fix regression "use-kerberos=desired" broken doesn't even try to authenticate with kerberos and instead fallsback
to NTLM (bsc#1255755).</li>
<li>Fix memory leak using cups parsed options and filename allocated when processing end of printing job (bsc#1257200).</li>
<li>Fix manpage for "net offlinejoin requestodj".</li>
<li>Fix "ctdbd socket" documentation in manpage for smb.conf</li>
<li>Fix rpc workers with long living clients from growing server
memory keytab and increasing memory used by workers (bsc#1257200).</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE update use the SUSE recommended
installation methods like YaST online_update or "zypper patch".<br/>
Alternatively you can run the command listed for your product:
</p>
<ul class="list-group">
<li class="list-group-item">
Basesystem Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2076=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Availability Extension 15 SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HA-15-SP7-2026-2076=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>samba-winbind-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-libs-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-dcerpc-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-client-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-dcerpc-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-winbind-libs-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-client-libs-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>python3-ldb-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-tool-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-client-libs-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>libldb-devel-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-gpupdate-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-libs-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-debugsource-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-libs-python3-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-libs-python3-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-winbind-libs-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-devel-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>ldb-tools-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-python3-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-ldb-ldap-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-ldb-ldap-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>ldb-tools-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-client-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>libldb2-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-python3-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>python3-ldb-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-winbind-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>libldb2-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (aarch64 x86_64)
<ul>
<li>samba-ceph-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-ceph-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (x86_64)
<ul>
<li>libldb2-32bit-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-winbind-libs-32bit-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>libldb2-32bit-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-libs-32bit-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-libs-32bit-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-client-libs-32bit-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-winbind-libs-32bit-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-client-libs-32bit-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Availability Extension 15 SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>samba-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>samba-debugsource-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>ctdb-debuginfo-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
<li>ctdb-4.21.10+git.501.277ba349a01-150700.3.26.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-1933.html">https://www.suse.com/security/cve/CVE-2026-1933.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-2340.html">https://www.suse.com/security/cve/CVE-2026-2340.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-3012.html">https://www.suse.com/security/cve/CVE-2026-3012.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-3238.html">https://www.suse.com/security/cve/CVE-2026-3238.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-4408.html">https://www.suse.com/security/cve/CVE-2026-4408.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-4480.html">https://www.suse.com/security/cve/CVE-2026-4480.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1255755">https://bugzilla.suse.com/show_bug.cgi?id=1255755</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1257200">https://bugzilla.suse.com/show_bug.cgi?id=1257200</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259441">https://bugzilla.suse.com/show_bug.cgi?id=1259441</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261158">https://bugzilla.suse.com/show_bug.cgi?id=1261158</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261159">https://bugzilla.suse.com/show_bug.cgi?id=1261159</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261160">https://bugzilla.suse.com/show_bug.cgi?id=1261160</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261161">https://bugzilla.suse.com/show_bug.cgi?id=1261161</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261163">https://bugzilla.suse.com/show_bug.cgi?id=1261163</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261188">https://bugzilla.suse.com/show_bug.cgi?id=1261188</a>
</li>
</ul>
</div>