<div class="container">
<h1>Security update for strongswan</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:21203-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-04-16T09:06:50Z</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=1257359">bsc#1257359</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259472">bsc#1259472</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-2025-9615.html">CVE-2025-9615</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-25075.html">CVE-2026-25075</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-2025-9615</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-9615</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">3.3</span>
<span class="cvss-vector">CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25075</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-2026-25075</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-2026-25075</span>
<span class="cvss-source">
(
NVD
):
</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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25075</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Enterprise Server 16.0</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP applications 16.0</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 strongswan fixes the following issues:</p>
<p>Update to strongswan 6.0.4:</p>
<ul>
<li>CVE-2025-9615: NetworkManager File Access (bsc#1257359).</li>
<li>CVE-2026-25075: Integer Underflow When Handling EAP-TTLS AVP (bsc#1259472).</li>
</ul>
<p>Changes for strongswan:</p>
<ul>
<li>Fixed a vulnerability in the NetworkManager plugin that potentially
allows using credentials of other local users. This vulnerability
has been registered as CVE-2025-9615.</li>
<li>The maximum supported length for section names in swanctl.conf
has been increased to the upper limit of 256 characters that's
enforced by VICI.</li>
<li>Prevent a crash if a confused peer rekeys a Child SA twice before
sending a delete.</li>
<li>Fixed a memory leak if a peer's self-signed certificate is untrusted.</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 16.0
<br/>
<code>zypper in -t patch SUSE-SLES-16.0-570=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP applications 16.0
<br/>
<code>zypper in -t patch SUSE-SLES-16.0-570=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
<ul>
<li>strongswan-sqlite-6.0.4-160000.1.1</li>
<li>strongswan-fips-6.0.4-160000.1.1</li>
<li>strongswan-6.0.4-160000.1.1</li>
<li>strongswan-ipsec-debuginfo-6.0.4-160000.1.1</li>
<li>strongswan-mysql-6.0.4-160000.1.1</li>
<li>strongswan-nm-6.0.4-160000.1.1</li>
<li>strongswan-ipsec-6.0.4-160000.1.1</li>
<li>strongswan-nm-debuginfo-6.0.4-160000.1.1</li>
<li>strongswan-sqlite-debuginfo-6.0.4-160000.1.1</li>
<li>strongswan-mysql-debuginfo-6.0.4-160000.1.1</li>
<li>strongswan-debugsource-6.0.4-160000.1.1</li>
<li>strongswan-debuginfo-6.0.4-160000.1.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 16.0 (noarch)
<ul>
<li>strongswan-doc-6.0.4-160000.1.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
<ul>
<li>strongswan-sqlite-6.0.4-160000.1.1</li>
<li>strongswan-fips-6.0.4-160000.1.1</li>
<li>strongswan-6.0.4-160000.1.1</li>
<li>strongswan-ipsec-debuginfo-6.0.4-160000.1.1</li>
<li>strongswan-mysql-6.0.4-160000.1.1</li>
<li>strongswan-nm-6.0.4-160000.1.1</li>
<li>strongswan-ipsec-6.0.4-160000.1.1</li>
<li>strongswan-nm-debuginfo-6.0.4-160000.1.1</li>
<li>strongswan-sqlite-debuginfo-6.0.4-160000.1.1</li>
<li>strongswan-mysql-debuginfo-6.0.4-160000.1.1</li>
<li>strongswan-debugsource-6.0.4-160000.1.1</li>
<li>strongswan-debuginfo-6.0.4-160000.1.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
<ul>
<li>strongswan-doc-6.0.4-160000.1.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-9615.html">https://www.suse.com/security/cve/CVE-2025-9615.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-25075.html">https://www.suse.com/security/cve/CVE-2026-25075.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1257359">https://bugzilla.suse.com/show_bug.cgi?id=1257359</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259472">https://bugzilla.suse.com/show_bug.cgi?id=1259472</a>
</li>
</ul>
</div>