<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-2026:3452-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-08-03T11:34:56Z</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=1271982">bsc#1271982</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271983">bsc#1271983</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271984">bsc#1271984</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271986">bsc#1271986</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271987">bsc#1271987</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271988">bsc#1271988</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271989">bsc#1271989</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271990">bsc#1271990</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-2026-10723.html">CVE-2026-10723</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-10822.html">CVE-2026-10822</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-11331.html">CVE-2026-11331</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-11622.html">CVE-2026-11622</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-11721.html">CVE-2026-11721</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-12617.html">CVE-2026-12617</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-13204.html">CVE-2026-13204</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-13321.html">CVE-2026-13321</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-2026-10723</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.9</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-10723</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-10723</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-10822</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-10822</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:N/UI:R/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-10822</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-11331</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:H/VI:N/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-11331</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:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-11331</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:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-11622</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-2026-11622</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-2026-11622</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-2026-11721</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:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-11721</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-11721</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-12617</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-2026-12617</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-2026-12617</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-2026-13204</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-2026-13204</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-2026-13204</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-2026-13321</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.2</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13321</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.6</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13321</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.6</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.6</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 for SAP Applications 15 SP6</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves eight vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for bind fixes the following issues:</p>
<ul>
<li>CVE-2026-10723: accepting incorrect child-zone NSEC3 records as valid can allow an attacker to forge authenticated
NXDOMAIN responses for sibling zones (bsc#1271982).</li>
<li>CVE-2026-10822: storing a DNS key record with an invalid PRIVATEDNS algorithm identifier length can trigger a
consistency check failure (bsc#1271983).</li>
<li>CVE-2026-11331: handling NAMETOOLONG error conditions incorrectly during RPZ wildcard CNAME processing can allow
bypassing RPZ rules or triggering process exits (bsc#1271984).</li>
<li>CVE-2026-11622: DNSSEC validating resolver under a random subdomain attack can suffer from runaway memory usage
exceeding max-cache-size and affecting response rate (bsc#1271986).</li>
<li>CVE-2026-11721: RRSIG with fewer labels than its containing zone when synth-from-dnssec is enabled can lead to
wildcard generation (bsc#1271987).</li>
<li>CVE-2026-12617: delayed or specific CNAME/DNAME query responses combined with positive A record responses can trigger
an assertion failure (bsc#1271988).</li>
<li>CVE-2026-13204: validating a domain covered by both NSEC and NSEC3 with an RRSIG for only one type can trigger an
assertion failure (bsc#1271989).</li>
<li>
<p>CVE-2026-13321: NSEC records with a <code>Next Domain Name</code> pointing outside the signer's zone can allow cross-zone cache
poisoning and authenticated denial-of-service responses (bsc#1271990).</p>
</li>
<li>
<p>Update to release 9.18.50:</p>
</li>
<li>
<p>Remove ineffective TCP fallback after repeated UDP timeouts.</p>
</li>
<li>Fall back to TCP on receipt of a UDP response with a mismatched query ID.</li>
<li>Fix DNS64 owner case after DNAME restart.</li>
<li>Clear REDIRECT flag when it isn't needed.</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 Linux Enterprise Server 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3452=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-SP6-2026-3452=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-3452=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
<ul>
<li>bind-utils-9.18.50-150600.3.32.1</li>
<li>bind-debuginfo-9.18.50-150600.3.32.1</li>
<li>bind-9.18.50-150600.3.32.1</li>
<li>bind-debugsource-9.18.50-150600.3.32.1</li>
<li>bind-utils-debuginfo-9.18.50-150600.3.32.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>bind-doc-9.18.50-150600.3.32.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
<ul>
<li>bind-doc-9.18.50-150600.3.32.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>bind-utils-9.18.50-150600.3.32.1</li>
<li>bind-debuginfo-9.18.50-150600.3.32.1</li>
<li>bind-9.18.50-150600.3.32.1</li>
<li>bind-debugsource-9.18.50-150600.3.32.1</li>
<li>bind-utils-debuginfo-9.18.50-150600.3.32.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
<ul>
<li>bind-utils-9.18.50-150600.3.32.1</li>
<li>bind-debuginfo-9.18.50-150600.3.32.1</li>
<li>bind-9.18.50-150600.3.32.1</li>
<li>bind-debugsource-9.18.50-150600.3.32.1</li>
<li>bind-utils-debuginfo-9.18.50-150600.3.32.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
<ul>
<li>bind-doc-9.18.50-150600.3.32.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-10723.html">https://www.suse.com/security/cve/CVE-2026-10723.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-10822.html">https://www.suse.com/security/cve/CVE-2026-10822.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-11331.html">https://www.suse.com/security/cve/CVE-2026-11331.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-11622.html">https://www.suse.com/security/cve/CVE-2026-11622.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-11721.html">https://www.suse.com/security/cve/CVE-2026-11721.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-12617.html">https://www.suse.com/security/cve/CVE-2026-12617.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-13204.html">https://www.suse.com/security/cve/CVE-2026-13204.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-13321.html">https://www.suse.com/security/cve/CVE-2026-13321.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271982">https://bugzilla.suse.com/show_bug.cgi?id=1271982</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271983">https://bugzilla.suse.com/show_bug.cgi?id=1271983</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271984">https://bugzilla.suse.com/show_bug.cgi?id=1271984</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271986">https://bugzilla.suse.com/show_bug.cgi?id=1271986</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271987">https://bugzilla.suse.com/show_bug.cgi?id=1271987</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271988">https://bugzilla.suse.com/show_bug.cgi?id=1271988</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271989">https://bugzilla.suse.com/show_bug.cgi?id=1271989</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271990">https://bugzilla.suse.com/show_bug.cgi?id=1271990</a>
</li>
</ul>
</div>