<div class="container">
<h1>Security update for dnsmasq</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2974-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-07-14T11:36:52Z</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=1268764">bsc#1268764</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268882">bsc#1268882</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-2026-12725.html">CVE-2026-12725</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-12969.html">CVE-2026-12969</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-2026-12725</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/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-2026-12725</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-2026-12725</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-12969</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:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-12969</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:N/S:U/C:L/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-12969</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N</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 12 SP5 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 12 SP5</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for dnsmasq fixes the following issues:</p>
<ul>
<li>CVE-2026-12725: heap buffer overflow in <code>log_query()</code> when logging unsupported DS/DNSKEY replies (bsc#1268764).</li>
<li>CVE-2026-12969: out-of-bounds read in <code>find_soa()</code> due to missing extrabytes validation (bsc#1268882).</li>
</ul>
<p>Changes for dnsmasq:</p>
<ul>
<li>Update to 2.93:</li>
<li>Fix a corner-case in DNSSEC validation with wildcards.</li>
<li>Fix DNSSEC failure with spurious RRSIGs.</li>
<li>Fix DNSSEC fail with CNAME replies to DS queries.</li>
<li>Fix regression in 2.92 release which broke DHCPv6 when a DHCP
relay is in use.</li>
<li>Modify the inotify implementation so that inotify watches are
only created after dnsmasq has changed permissions and userid.</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 12 SP5 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2974=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2974=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>dnsmasq-2.93-18.32.1</li>
<li>dnsmasq-debuginfo-2.93-18.32.1</li>
<li>dnsmasq-debugsource-2.93-18.32.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
<ul>
<li>dnsmasq-2.93-18.32.1</li>
<li>dnsmasq-debuginfo-2.93-18.32.1</li>
<li>dnsmasq-debugsource-2.93-18.32.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-12725.html">https://www.suse.com/security/cve/CVE-2026-12725.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-12969.html">https://www.suse.com/security/cve/CVE-2026-12969.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268764">https://bugzilla.suse.com/show_bug.cgi?id=1268764</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1268882">https://bugzilla.suse.com/show_bug.cgi?id=1268882</a>
</li>
</ul>
</div>