<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-2026:3426-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-07-30T11:12:13Z</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=1271985">bsc#1271985</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-2026-11605.html">CVE-2026-11605</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-2026-11605</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-2026-11605</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-2026-11605</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-2026-11622</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">Basesystem Module 15-SP7</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 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 nine vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for bind fixes the following issues:</p>
<p>Upgrade to release 9.20.26.</p>
<p>Security issues fixed:</p>
<ul>
<li>CVE-2026-10723: incorrect acceptance of NSEC3 records (bsc#1271982).</li>
<li>CVE-2026-10822: key record using PRIVATEDNS algorithm may lead to unexpected exit (bsc#1271983).</li>
<li>CVE-2026-11331: potential wildcard CNAME RPZ policy bypass (bsc#1271984).</li>
<li>CVE-2026-11605: unnecessary validation of DNSSEC signed records (bsc#1271985).</li>
<li>CVE-2026-11622: potential memory usage beyond configured limits (bsc#1271986).</li>
<li>CVE-2026-11721: cache poisoning possible with label count discrepancy, RRSIG, and wildcards (bsc#1271987).</li>
<li>CVE-2026-12617: record ordering based unexpected exit with CNAME or DNAME (bsc#1271988).</li>
<li>CVE-2026-13204: unexpected exit in certain situations with NSEC and NSEC3 both present (bsc#1271989).</li>
<li>CVE-2026-13321: DNSSEC validation bypass via out-of-zone NSEC Next field (bsc#1271990).</li>
</ul>
<p>Other updates and bugfixes:</p>
<ul>
<li>Release 9.20.26:</li>
<li>Reclaim memory promptly when DNSSEC validations are canceled.</li>
<li>Removed Features:<ul>
<li>Remove the secondary validator in query.c.</li>
<li>Remove ineffective TCP fallback after repeated UDP timeouts.</li>
</ul>
</li>
<li>Feature Changes:<ul>
<li>Fall back to TCP on receipt of a UDP response with a mismatched
query ID.</li>
<li>Limit the number of glue records cached from a referral.</li>
<li>Fix a resolver stall on a CNAME response to a DS query.</li>
</ul>
</li>
<li>Bug Fixes:<ul>
<li>Fix a bug in DNS UPDATE processing with inline-signing enabled.</li>
<li>Properly detect private records before copying.</li>
<li>Tighten referral DS acceptance.</li>
<li>Don't synthesize negative responses with pending NSEC.</li>
<li>Check that an NSEC signer is at or above the name to be
validated.</li>
<li>Don't evict DNSSEC-validated cache data on a CD=1 NXDOMAIN.</li>
<li>Fix a deny-answer-aliases configuration bypass issue.</li>
<li>Reject external referrals from forwarders.</li>
<li>Fix a zone transfer over TLS (XoT) issue when using the
opportunistic TLS mode.</li>
<li>Unvalidated opt-out NSEC3 could be accepted in insecurity
proof.</li>
<li>Check wildcard signer and NOQNAME signer match.</li>
<li>Fix CNAME resolution failure caused by a cached SERVFAIL
response.</li>
<li>Reject unsupported RSA DNSKEY shapes during DNSSEC validation.</li>
<li>Fix a bug in GeoIP2 string matching.</li>
<li>Fix DNS-over-HTTPS (DoH) quota configuration issue.</li>
<li>Truncated reply to a TSIG query no longer stalls the resolver.</li>
<li>Ignore updates removing DNSKEY RRset with class ANY.</li>
<li>Ignore 0-byte reads in the TCP read callback.</li>
<li>Only print per-zone glue stats when zone-statistics is set to
full.</li>
<li>CDS/CDNSKEY records were not removed when re-configuring the
server.</li>
<li>Fix a crash when querying an empty non-terminal in a wildcard
zone in RBTDB.</li>
<li>Stop reusing outgoing TCP connections the peer has already
closed.</li>
<li>Fix DNSSEC validation failures for names under an apex DNAME.</li>
<li>The resolver now removes other RRsets at the same name when
caching a CNAME.</li>
<li>Fix nxdomain-redirect combined with dns64.</li>
<li>Fix DNS64 owner case after DNAME restart.</li>
<li>Clear REDIRECT flag when it isn't needed.</li>
<li>Disable output escaping in bind9.xsl.</li>
<li>Fix crash on badly configured secondary signer.</li>
<li>Fix a possible crash on concurrent TKEY DELETE for the same
key.</li>
<li>Reject RRSIG records covering meta-types.</li>
</ul>
</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-SP7-2026-3426=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-SP7-2026-3426=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>bind-utils-9.20.26-150700.3.29.1</li>
<li>bind-debugsource-9.20.26-150700.3.29.1</li>
<li>bind-utils-debuginfo-9.20.26-150700.3.29.1</li>
<li>bind-debuginfo-9.20.26-150700.3.29.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>bind-debuginfo-9.20.26-150700.3.29.1</li>
<li>bind-debugsource-9.20.26-150700.3.29.1</li>
<li>bind-9.20.26-150700.3.29.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP7 (noarch)
<ul>
<li>bind-doc-9.20.26-150700.3.29.1</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-2026-11605.html">https://www.suse.com/security/cve/CVE-2026-11605.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=1271985">https://bugzilla.suse.com/show_bug.cgi?id=1271985</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>