<div class="container">
<h1>Security update for krb5, krb5-mini</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2848-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-07-10T11:39:12Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>important</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263366">bsc#1263366</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263367">bsc#1263367</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268131">bsc#1268131</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-2026-11850.html">CVE-2026-11850</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-40355.html">CVE-2026-40355</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-40356.html">CVE-2026-40356</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-2026-11850</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-11850</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.0</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-40355</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-40355</span>
<span class="cvss-source">
(
NVD
):
</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-2026-40355</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-40356</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-40356</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-40356</span>
<span class="cvss-source">
(
NVD
):
</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>
</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">openSUSE Leap 15.6</li>
<li class="list-group-item">Server Applications Module 15-SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 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 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6 LTSS</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 SP6</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 three vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for krb5, krb5-mini fixes the following issues</p>
<ul>
<li>CVE-2026-11850: integer underflow in berval2tl_data() leads to heap out-of-bounds read (bsc#1268131).</li>
<li>CVE-2026-40355: Denial of Service via NULL pointer dereference in NegoEx mechanism (bsc#1263366).</li>
<li>CVE-2026-40356: Denial of Service via integer underflow and out-of-bounds read (bsc#1263367).</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-SP7-2026-2848=1</code>
</li>
<li class="list-group-item">
Server Applications Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2848=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-2848=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2848=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2848=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>krb5-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-pkinit-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-debugsource-1.20.1-150600.11.19.1</li>
<li>krb5-devel-1.20.1-150600.11.19.1</li>
<li>krb5-client-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-pkinit-1.20.1-150600.11.19.1</li>
<li>krb5-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-otp-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-otp-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-client-debuginfo-1.20.1-150600.11.19.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (x86_64)
<ul>
<li>krb5-32bit-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-32bit-1.20.1-150600.11.19.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>krb5-plugin-preauth-pkinit-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-1.20.1-150600.11.19.1</li>
<li>krb5-debugsource-1.20.1-150600.11.19.1</li>
<li>krb5-devel-1.20.1-150600.11.19.1</li>
<li>krb5-server-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-client-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-pkinit-1.20.1-150600.11.19.1</li>
<li>krb5-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-otp-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-otp-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-kdb-ldap-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-kdb-ldap-1.20.1-150600.11.19.1</li>
<li>krb5-server-1.20.1-150600.11.19.1</li>
<li>krb5-client-debuginfo-1.20.1-150600.11.19.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (x86_64)
<ul>
<li>krb5-32bit-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-32bit-1.20.1-150600.11.19.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
<ul>
<li>krb5-plugin-preauth-pkinit-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-1.20.1-150600.11.19.1</li>
<li>krb5-debugsource-1.20.1-150600.11.19.1</li>
<li>krb5-devel-1.20.1-150600.11.19.1</li>
<li>krb5-client-1.20.1-150600.11.19.1</li>
<li>krb5-server-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-pkinit-1.20.1-150600.11.19.1</li>
<li>krb5-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-otp-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-otp-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-kdb-ldap-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-kdb-ldap-1.20.1-150600.11.19.1</li>
<li>krb5-server-1.20.1-150600.11.19.1</li>
<li>krb5-client-debuginfo-1.20.1-150600.11.19.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (x86_64)
<ul>
<li>krb5-32bit-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-32bit-1.20.1-150600.11.19.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
<ul>
<li>krb5-1.20.1-150600.11.19.1</li>
<li>krb5-debugsource-1.20.1-150600.11.19.1</li>
<li>krb5-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-mini-devel-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-otp-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-kdb-ldap-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-kdb-ldap-1.20.1-150600.11.19.1</li>
<li>krb5-client-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-devel-1.20.1-150600.11.19.1</li>
<li>krb5-mini-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-spake-1.20.1-150600.11.19.1</li>
<li>krb5-server-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-client-1.20.1-150600.11.19.1</li>
<li>krb5-server-1.20.1-150600.11.19.1</li>
<li>krb5-mini-debugsource-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-pkinit-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-spake-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-mini-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-pkinit-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-preauth-otp-debuginfo-1.20.1-150600.11.19.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (x86_64)
<ul>
<li>krb5-devel-32bit-1.20.1-150600.11.19.1</li>
<li>krb5-32bit-1.20.1-150600.11.19.1</li>
<li>krb5-32bit-debuginfo-1.20.1-150600.11.19.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64_ilp32)
<ul>
<li>krb5-64bit-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-64bit-1.20.1-150600.11.19.1</li>
<li>krb5-devel-64bit-1.20.1-150600.11.19.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>krb5-debugsource-1.20.1-150600.11.19.1</li>
<li>krb5-server-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-kdb-ldap-debuginfo-1.20.1-150600.11.19.1</li>
<li>krb5-plugin-kdb-ldap-1.20.1-150600.11.19.1</li>
<li>krb5-server-1.20.1-150600.11.19.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-11850.html">https://www.suse.com/security/cve/CVE-2026-11850.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-40355.html">https://www.suse.com/security/cve/CVE-2026-40355.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-40356.html">https://www.suse.com/security/cve/CVE-2026-40356.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263366">https://bugzilla.suse.com/show_bug.cgi?id=1263366</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263367">https://bugzilla.suse.com/show_bug.cgi?id=1263367</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268131">https://bugzilla.suse.com/show_bug.cgi?id=1268131</a>
</li>
</ul>
</div>