<div class="container">
<h1>Security update for avahi</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:1191-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-04-06T10:54:02Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>moderate</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1257235">bsc#1257235</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-2026-24401.html">CVE-2026-24401</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-2026-24401</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-2026-24401</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-2026-24401</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Enterprise Micro 5.2</li>
<li class="list-group-item">SUSE Linux Enterprise Micro for Rancher 5.2</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves one vulnerability can now be installed.</p>
<h2>Description:</h2>
<p>This update for avahi fixes the following issue:</p>
<ul>
<li>CVE-2026-24401: avahi-daemon can be crashed via a segmentation fault by sending an unsolicited mDNS response
containing a recursive CNAME record (bsc#1257235).</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 Micro 5.2
<br/>
<code>zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1191=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Micro for Rancher 5.2
<br/>
<code>zypper in -t patch SUSE-SUSE-MicroOS-5.2-2026-1191=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
<ul>
<li>libavahi-client3-debuginfo-0.7-150100.3.49.1</li>
<li>libavahi-common3-debuginfo-0.7-150100.3.49.1</li>
<li>libavahi-core7-debuginfo-0.7-150100.3.49.1</li>
<li>libavahi-core7-0.7-150100.3.49.1</li>
<li>avahi-debugsource-0.7-150100.3.49.1</li>
<li>libavahi-common3-0.7-150100.3.49.1</li>
<li>avahi-debuginfo-0.7-150100.3.49.1</li>
<li>avahi-0.7-150100.3.49.1</li>
<li>libavahi-client3-0.7-150100.3.49.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
<ul>
<li>libavahi-client3-debuginfo-0.7-150100.3.49.1</li>
<li>libavahi-common3-debuginfo-0.7-150100.3.49.1</li>
<li>libavahi-core7-debuginfo-0.7-150100.3.49.1</li>
<li>libavahi-core7-0.7-150100.3.49.1</li>
<li>avahi-debugsource-0.7-150100.3.49.1</li>
<li>libavahi-common3-0.7-150100.3.49.1</li>
<li>avahi-debuginfo-0.7-150100.3.49.1</li>
<li>avahi-0.7-150100.3.49.1</li>
<li>libavahi-client3-0.7-150100.3.49.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-24401.html">https://www.suse.com/security/cve/CVE-2026-24401.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1257235">https://bugzilla.suse.com/show_bug.cgi?id=1257235</a>
</li>
</ul>
</div>