<div class="container">
<h1>Security update for openvpn</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:3596-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-08-12T11:37:59Z</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=1267944">bsc#1267944</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1267945">bsc#1267945</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273126">bsc#1273126</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273127">bsc#1273127</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273128">bsc#1273128</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273129">bsc#1273129</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273130">bsc#1273130</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-2026-11771.html">CVE-2026-11771</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-12932.html">CVE-2026-12932</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-12996.html">CVE-2026-12996</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-13117.html">CVE-2026-13117</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-13379.html">CVE-2026-13379</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-35058.html">CVE-2026-35058</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-40215.html">CVE-2026-40215</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-2026-11771</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-11771</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-11771</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/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-2026-11771</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-2026-12932</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-2026-12932</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:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-12932</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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-2026-12932</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-12996</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-12996</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-12996</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/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-2026-12996</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13117</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13117</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13117</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/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-2026-13117</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13379</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:L/SC:H/SI:N/SA:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13379</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.7</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-13379</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:L/SC:H/SI:N/SA:H/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-2026-13379</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-35058</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/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-2026-35058</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-35058</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/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-2026-35058</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:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-40215</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-40215</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:L/UI:N/S:U/C:H/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-40215</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L/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-2026-40215</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.4</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H</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">openSUSE Leap 15.6</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 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6 LTSS</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 SP6</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 seven vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for openvpn fixes the following issues:</p>
<ul>
<li>CVE-2026-11771: NTLM proxy auth stack off-by-one write (bsc#1273126).</li>
<li>CVE-2026-12932: memory leak using --tls-crypt-v2 (bsc#1273127).</li>
<li>CVE-2026-12996: potential DoS and memory leak via TLS session use-after-free (bsc#1273128).</li>
<li>CVE-2026-13117: heap use-after-free via incomplete guard in check_session_buf_not_used() (bsc#1273129).</li>
<li>CVE-2026-13379: Windows interactive service DNS SearchList state pollution (bsc#1273130).</li>
<li>CVE-2026-35058: improper validation of packet length can lead to a denial of service (bsc#1267945).</li>
<li>CVE-2026-40215: race condition during TLS session promotion can lead to a use-after-free (bsc#1267944).</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 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3596=1</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3596=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-3596=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3596=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>openvpn-debugsource-2.6.10-150600.3.26.1</li>
<li>openvpn-2.6.10-150600.3.26.1</li>
<li>openvpn-auth-pam-plugin-2.6.10-150600.3.26.1</li>
<li>openvpn-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-devel-2.6.10-150600.3.26.1</li>
<li>openvpn-auth-pam-plugin-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-debugsource-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-devel-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-2.6.10-150600.3.26.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64 i586 ppc64le s390x x86_64)
<ul>
<li>openvpn-debugsource-2.6.10-150600.3.26.1</li>
<li>openvpn-down-root-plugin-2.6.10-150600.3.26.1</li>
<li>openvpn-2.6.10-150600.3.26.1</li>
<li>openvpn-auth-pam-plugin-2.6.10-150600.3.26.1</li>
<li>openvpn-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-devel-2.6.10-150600.3.26.1</li>
<li>openvpn-auth-pam-plugin-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-debugsource-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-devel-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-2.6.10-150600.3.26.1</li>
<li>openvpn-down-root-plugin-debuginfo-2.6.10-150600.3.26.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
<ul>
<li>openvpn-debugsource-2.6.10-150600.3.26.1</li>
<li>openvpn-2.6.10-150600.3.26.1</li>
<li>openvpn-auth-pam-plugin-2.6.10-150600.3.26.1</li>
<li>openvpn-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-devel-2.6.10-150600.3.26.1</li>
<li>openvpn-auth-pam-plugin-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-debugsource-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-devel-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-2.6.10-150600.3.26.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>openvpn-debugsource-2.6.10-150600.3.26.1</li>
<li>openvpn-2.6.10-150600.3.26.1</li>
<li>openvpn-auth-pam-plugin-2.6.10-150600.3.26.1</li>
<li>openvpn-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-devel-2.6.10-150600.3.26.1</li>
<li>openvpn-auth-pam-plugin-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-debugsource-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-debuginfo-2.6.10-150600.3.26.1</li>
<li>openvpn-devel-2.6.10-150600.3.26.1</li>
<li>openvpn-dco-2.6.10-150600.3.26.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-11771.html">https://www.suse.com/security/cve/CVE-2026-11771.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-12932.html">https://www.suse.com/security/cve/CVE-2026-12932.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-12996.html">https://www.suse.com/security/cve/CVE-2026-12996.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-13117.html">https://www.suse.com/security/cve/CVE-2026-13117.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-13379.html">https://www.suse.com/security/cve/CVE-2026-13379.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-35058.html">https://www.suse.com/security/cve/CVE-2026-35058.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-40215.html">https://www.suse.com/security/cve/CVE-2026-40215.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1267944">https://bugzilla.suse.com/show_bug.cgi?id=1267944</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1267945">https://bugzilla.suse.com/show_bug.cgi?id=1267945</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273126">https://bugzilla.suse.com/show_bug.cgi?id=1273126</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273127">https://bugzilla.suse.com/show_bug.cgi?id=1273127</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273128">https://bugzilla.suse.com/show_bug.cgi?id=1273128</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273129">https://bugzilla.suse.com/show_bug.cgi?id=1273129</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1273130">https://bugzilla.suse.com/show_bug.cgi?id=1273130</a>
</li>
</ul>
</div>