<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-2024:1894-1</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=1219823">bsc#1219823</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219826">bsc#1219826</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219851">bsc#1219851</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-2023-4408.html">CVE-2023-4408</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-50387.html">CVE-2023-50387</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2023-50868.html">CVE-2023-50868</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-2023-4408</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-2023-50387</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-2023-50387</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-2023-50868</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Software Development Kit 12 SP5</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-2023-50387: Fixed validating DNS messages containing a lot of DNSSEC signatures that could have let to a denial-of-service (bsc#1219823).</li>
<li>CVE-2023-50868: Fixed NSEC3 closest encloser proof that could have let to a denial-of-service (bsc#1219826).</li>
<li>CVE-2023-4408: Fixed parsing DNS messages with many different names that could have let to a denial-of-service (bsc#1219851).</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 Software Development Kit 12 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-SDK-12-SP5-2024-1894=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing 12 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1894=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 12 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1894=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 12 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-2024-1894=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>bind-devel-9.11.22-3.52.1</li>
<li>bind-debugsource-9.11.22-3.52.1</li>
<li>bind-debuginfo-9.11.22-3.52.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
<ul>
<li>bind-chrootenv-9.11.22-3.52.1</li>
<li>liblwres161-debuginfo-9.11.22-3.52.1</li>
<li>libirs161-9.11.22-3.52.1</li>
<li>bind-utils-debuginfo-9.11.22-3.52.1</li>
<li>libbind9-161-9.11.22-3.52.1</li>
<li>libisc1107-9.11.22-3.52.1</li>
<li>libisc1107-debuginfo-9.11.22-3.52.1</li>
<li>bind-utils-9.11.22-3.52.1</li>
<li>bind-debuginfo-9.11.22-3.52.1</li>
<li>libbind9-161-debuginfo-9.11.22-3.52.1</li>
<li>libirs161-debuginfo-9.11.22-3.52.1</li>
<li>liblwres161-9.11.22-3.52.1</li>
<li>bind-9.11.22-3.52.1</li>
<li>libisccfg163-9.11.22-3.52.1</li>
<li>libisccfg163-debuginfo-9.11.22-3.52.1</li>
<li>libdns1110-debuginfo-9.11.22-3.52.1</li>
<li>libisccc161-debuginfo-9.11.22-3.52.1</li>
<li>bind-debugsource-9.11.22-3.52.1</li>
<li>libdns1110-9.11.22-3.52.1</li>
<li>libisccc161-9.11.22-3.52.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
<ul>
<li>python-bind-9.11.22-3.52.1</li>
<li>bind-doc-9.11.22-3.52.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
<ul>
<li>libisc1107-32bit-9.11.22-3.52.1</li>
<li>libisc1107-debuginfo-32bit-9.11.22-3.52.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>bind-chrootenv-9.11.22-3.52.1</li>
<li>liblwres161-debuginfo-9.11.22-3.52.1</li>
<li>libirs161-9.11.22-3.52.1</li>
<li>bind-utils-debuginfo-9.11.22-3.52.1</li>
<li>libbind9-161-9.11.22-3.52.1</li>
<li>libisc1107-9.11.22-3.52.1</li>
<li>libisc1107-debuginfo-9.11.22-3.52.1</li>
<li>bind-utils-9.11.22-3.52.1</li>
<li>bind-debuginfo-9.11.22-3.52.1</li>
<li>libbind9-161-debuginfo-9.11.22-3.52.1</li>
<li>libirs161-debuginfo-9.11.22-3.52.1</li>
<li>liblwres161-9.11.22-3.52.1</li>
<li>bind-9.11.22-3.52.1</li>
<li>libisccfg163-9.11.22-3.52.1</li>
<li>libisccfg163-debuginfo-9.11.22-3.52.1</li>
<li>libdns1110-debuginfo-9.11.22-3.52.1</li>
<li>libisccc161-debuginfo-9.11.22-3.52.1</li>
<li>bind-debugsource-9.11.22-3.52.1</li>
<li>libdns1110-9.11.22-3.52.1</li>
<li>libisccc161-9.11.22-3.52.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 (noarch)
<ul>
<li>python-bind-9.11.22-3.52.1</li>
<li>bind-doc-9.11.22-3.52.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 (s390x x86_64)
<ul>
<li>libisc1107-32bit-9.11.22-3.52.1</li>
<li>libisc1107-debuginfo-32bit-9.11.22-3.52.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
<ul>
<li>bind-chrootenv-9.11.22-3.52.1</li>
<li>liblwres161-debuginfo-9.11.22-3.52.1</li>
<li>libirs161-9.11.22-3.52.1</li>
<li>bind-utils-debuginfo-9.11.22-3.52.1</li>
<li>libbind9-161-9.11.22-3.52.1</li>
<li>libisc1107-9.11.22-3.52.1</li>
<li>libisc1107-debuginfo-9.11.22-3.52.1</li>
<li>bind-utils-9.11.22-3.52.1</li>
<li>bind-debuginfo-9.11.22-3.52.1</li>
<li>libbind9-161-debuginfo-9.11.22-3.52.1</li>
<li>libirs161-debuginfo-9.11.22-3.52.1</li>
<li>liblwres161-9.11.22-3.52.1</li>
<li>bind-9.11.22-3.52.1</li>
<li>libisccfg163-9.11.22-3.52.1</li>
<li>libisccfg163-debuginfo-9.11.22-3.52.1</li>
<li>libdns1110-debuginfo-9.11.22-3.52.1</li>
<li>libisccc161-debuginfo-9.11.22-3.52.1</li>
<li>bind-debugsource-9.11.22-3.52.1</li>
<li>libdns1110-9.11.22-3.52.1</li>
<li>libisccc161-9.11.22-3.52.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
<ul>
<li>python-bind-9.11.22-3.52.1</li>
<li>bind-doc-9.11.22-3.52.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
<ul>
<li>libisc1107-32bit-9.11.22-3.52.1</li>
<li>libisc1107-debuginfo-32bit-9.11.22-3.52.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-4408.html">https://www.suse.com/security/cve/CVE-2023-4408.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-50387.html">https://www.suse.com/security/cve/CVE-2023-50387.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-50868.html">https://www.suse.com/security/cve/CVE-2023-50868.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219823">https://bugzilla.suse.com/show_bug.cgi?id=1219823</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219826">https://bugzilla.suse.com/show_bug.cgi?id=1219826</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1219851">https://bugzilla.suse.com/show_bug.cgi?id=1219851</a>
</li>
</ul>
</div>