<div class="container">
<h1>Security update for bind</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:4597-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-10-08T22:03:19Z</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=1280433">bsc#1280433</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280435">bsc#1280435</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280443">bsc#1280443</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-2026-19666.html">CVE-2026-19666</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-19667.html">CVE-2026-19667</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-80274.html">CVE-2026-80274</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-2026-19666</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-19666</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-2026-19666</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-2026-19667</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-19667</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-2026-19667</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-2026-80274</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-80274</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-2026-80274</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">SUSE Linux Enterprise Micro 5.0</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.1</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.2</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.3</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.4</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.5</li>
<li class="list-group-item">SUSE Multi-Linux Manager Client Tools for SLE Micro 5</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 bind fixes the following issues:</p>
<ul>
<li>CVE-2026-19666: Use-after-free in query_addnoqnameproof() via the DNS64 filter64 path (bsc#1280433).</li>
<li>CVE-2026-19667: Remote assertion failure via 16-bit length truncation in dns_ncache_add() (bsc#1280435).</li>
<li>CVE-2026-80274: Validating resolver can abort while caching a mismatched NOQNAME proof (bsc#1280443).</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">
SUSE Multi-Linux Manager Client Tools for SLE Micro 5
<br/>
<code>zypper in -t patch SUSE-MultiLinuxManagerTools-SLE-Micro-5-2026-4597</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Multi-Linux Manager Client Tools for SLE Micro 5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>libisc1606-debuginfo-9.16.6-150000.12.94.1</li>
<li>libbind9-1600-debuginfo-9.16.6-150000.12.94.1</li>
<li>libisccc1600-debuginfo-9.16.6-150000.12.94.1</li>
<li>libisccc1600-9.16.6-150000.12.94.1</li>
<li>libns1604-debuginfo-9.16.6-150000.12.94.1</li>
<li>libirs1601-9.16.6-150000.12.94.1</li>
<li>bind-debuginfo-9.16.6-150000.12.94.1</li>
<li>bind-debugsource-9.16.6-150000.12.94.1</li>
<li>libisccfg1600-9.16.6-150000.12.94.1</li>
<li>libns1604-9.16.6-150000.12.94.1</li>
<li>libdns1605-debuginfo-9.16.6-150000.12.94.1</li>
<li>libirs1601-debuginfo-9.16.6-150000.12.94.1</li>
<li>bind-utils-debuginfo-9.16.6-150000.12.94.1</li>
<li>libisccfg1600-debuginfo-9.16.6-150000.12.94.1</li>
<li>libisc1606-9.16.6-150000.12.94.1</li>
<li>libbind9-1600-9.16.6-150000.12.94.1</li>
<li>libdns1605-9.16.6-150000.12.94.1</li>
<li>bind-utils-9.16.6-150000.12.94.1</li>
</ul>
</li>
<li>
SUSE Multi-Linux Manager Client Tools for SLE Micro 5 (noarch)
<ul>
<li>python3-bind-9.16.6-150000.12.94.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-19666.html">https://www.suse.com/security/cve/CVE-2026-19666.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-19667.html">https://www.suse.com/security/cve/CVE-2026-19667.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-80274.html">https://www.suse.com/security/cve/CVE-2026-80274.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280433">https://bugzilla.suse.com/show_bug.cgi?id=1280433</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280435">https://bugzilla.suse.com/show_bug.cgi?id=1280435</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1280443">https://bugzilla.suse.com/show_bug.cgi?id=1280443</a>
</li>
</ul>
</div>