<div class="container">
<h1>Security update for openvswitch3</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2476-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-06-22T08:24:24Z</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=1262498">bsc#1262498</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262499">bsc#1262499</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-2026-5265.html">CVE-2026-5265</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-5367.html">CVE-2026-5367</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-2026-5265</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:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-5265</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-5367</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-5367</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.6</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing LTSS 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Micro 5.5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 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 openvswitch3 fixes the following issues</p>
<ul>
<li>CVE-2026-5265: heap over-read in ICMP error response generation (bsc#1262498).</li>
<li>CVE-2026-5367: heap over-read in OVN DHCPv6 client ID processing (bsc#1262499).</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 SP5 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2476=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Micro 5.5
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-5.5-2026-2476=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.5
<br/>
<code>zypper in -t patch SUSE-2026-2476=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2476=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2026-2476=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2476=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.5 (aarch64 i586 ppc64le s390x x86_64)
<ul>
<li>ovn3-debuginfo-23.03.3-150500.3.31.1</li>
<li>libovn-23_03-0-23.03.3-150500.3.31.1</li>
<li>ovn3-host-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-3.1.7-150500.3.31.1</li>
<li>ovn3-vtep-23.03.3-150500.3.31.1</li>
<li>openvswitch3-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-debuginfo-3.1.7-150500.3.31.1</li>
<li>python3-ovs3-3.1.7-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debuginfo-3.1.7-150500.3.31.1</li>
<li>openvswitch3-devel-3.1.7-150500.3.31.1</li>
<li>ovn3-central-23.03.3-150500.3.31.1</li>
<li>ovn3-docker-23.03.3-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1</li>
<li>libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1</li>
<li>ovn3-host-23.03.3-150500.3.31.1</li>
<li>ovn3-23.03.3-150500.3.31.1</li>
<li>openvswitch3-pki-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debugsource-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-3.1.7-150500.3.31.1</li>
<li>openvswitch3-ipsec-3.1.7-150500.3.31.1</li>
<li>ovn3-central-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-devel-23.03.3-150500.3.31.1</li>
<li>ovn3-vtep-debuginfo-23.03.3-150500.3.31.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (noarch)
<ul>
<li>ovn3-doc-23.03.3-150500.3.31.1</li>
<li>openvswitch3-doc-3.1.7-150500.3.31.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
<ul>
<li>ovn3-debuginfo-23.03.3-150500.3.31.1</li>
<li>libovn-23_03-0-23.03.3-150500.3.31.1</li>
<li>ovn3-host-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-3.1.7-150500.3.31.1</li>
<li>ovn3-vtep-23.03.3-150500.3.31.1</li>
<li>openvswitch3-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-debuginfo-3.1.7-150500.3.31.1</li>
<li>python3-ovs3-3.1.7-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debuginfo-3.1.7-150500.3.31.1</li>
<li>openvswitch3-devel-3.1.7-150500.3.31.1</li>
<li>ovn3-central-23.03.3-150500.3.31.1</li>
<li>ovn3-docker-23.03.3-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-host-23.03.3-150500.3.31.1</li>
<li>ovn3-23.03.3-150500.3.31.1</li>
<li>libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-pki-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debugsource-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-3.1.7-150500.3.31.1</li>
<li>openvswitch3-ipsec-3.1.7-150500.3.31.1</li>
<li>ovn3-central-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-devel-23.03.3-150500.3.31.1</li>
<li>ovn3-vtep-debuginfo-23.03.3-150500.3.31.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>ovn3-debuginfo-23.03.3-150500.3.31.1</li>
<li>libovn-23_03-0-23.03.3-150500.3.31.1</li>
<li>ovn3-host-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-3.1.7-150500.3.31.1</li>
<li>ovn3-vtep-23.03.3-150500.3.31.1</li>
<li>openvswitch3-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-debuginfo-3.1.7-150500.3.31.1</li>
<li>python3-ovs3-3.1.7-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debuginfo-3.1.7-150500.3.31.1</li>
<li>openvswitch3-devel-3.1.7-150500.3.31.1</li>
<li>ovn3-central-23.03.3-150500.3.31.1</li>
<li>ovn3-docker-23.03.3-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1</li>
<li>libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1</li>
<li>ovn3-23.03.3-150500.3.31.1</li>
<li>ovn3-host-23.03.3-150500.3.31.1</li>
<li>openvswitch3-pki-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debugsource-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-3.1.7-150500.3.31.1</li>
<li>openvswitch3-ipsec-3.1.7-150500.3.31.1</li>
<li>ovn3-central-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-devel-23.03.3-150500.3.31.1</li>
<li>ovn3-vtep-debuginfo-23.03.3-150500.3.31.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>ovn3-debuginfo-23.03.3-150500.3.31.1</li>
<li>libovn-23_03-0-23.03.3-150500.3.31.1</li>
<li>ovn3-host-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-3.1.7-150500.3.31.1</li>
<li>ovn3-vtep-23.03.3-150500.3.31.1</li>
<li>openvswitch3-3.1.7-150500.3.31.1</li>
<li>python3-ovs3-3.1.7-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-central-23.03.3-150500.3.31.1</li>
<li>ovn3-docker-23.03.3-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1</li>
<li>libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1</li>
<li>ovn3-23.03.3-150500.3.31.1</li>
<li>ovn3-host-23.03.3-150500.3.31.1</li>
<li>openvswitch3-pki-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debugsource-3.1.7-150500.3.31.1</li>
<li>ovn3-central-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-vtep-debuginfo-23.03.3-150500.3.31.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
<ul>
<li>ovn3-debuginfo-23.03.3-150500.3.31.1</li>
<li>libovn-23_03-0-23.03.3-150500.3.31.1</li>
<li>ovn3-host-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-3.1.7-150500.3.31.1</li>
<li>ovn3-vtep-23.03.3-150500.3.31.1</li>
<li>openvswitch3-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-debuginfo-3.1.7-150500.3.31.1</li>
<li>python3-ovs3-3.1.7-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debuginfo-3.1.7-150500.3.31.1</li>
<li>openvswitch3-devel-3.1.7-150500.3.31.1</li>
<li>ovn3-central-23.03.3-150500.3.31.1</li>
<li>ovn3-docker-23.03.3-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-host-23.03.3-150500.3.31.1</li>
<li>ovn3-23.03.3-150500.3.31.1</li>
<li>libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-pki-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debugsource-3.1.7-150500.3.31.1</li>
<li>openvswitch3-ipsec-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-3.1.7-150500.3.31.1</li>
<li>ovn3-central-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-devel-23.03.3-150500.3.31.1</li>
<li>ovn3-vtep-debuginfo-23.03.3-150500.3.31.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
<ul>
<li>ovn3-debuginfo-23.03.3-150500.3.31.1</li>
<li>libovn-23_03-0-23.03.3-150500.3.31.1</li>
<li>ovn3-host-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-3.1.7-150500.3.31.1</li>
<li>ovn3-vtep-23.03.3-150500.3.31.1</li>
<li>openvswitch3-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-debuginfo-3.1.7-150500.3.31.1</li>
<li>python3-ovs3-3.1.7-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-3.1.7-150500.3.31.1</li>
<li>openvswitch3-devel-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-central-23.03.3-150500.3.31.1</li>
<li>ovn3-docker-23.03.3-150500.3.31.1</li>
<li>libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.31.1</li>
<li>libovn-23_03-0-debuginfo-23.03.3-150500.3.31.1</li>
<li>ovn3-23.03.3-150500.3.31.1</li>
<li>ovn3-host-23.03.3-150500.3.31.1</li>
<li>openvswitch3-pki-3.1.7-150500.3.31.1</li>
<li>openvswitch3-debugsource-3.1.7-150500.3.31.1</li>
<li>openvswitch3-ipsec-3.1.7-150500.3.31.1</li>
<li>openvswitch3-test-3.1.7-150500.3.31.1</li>
<li>ovn3-central-debuginfo-23.03.3-150500.3.31.1</li>
<li>openvswitch3-vtep-debuginfo-3.1.7-150500.3.31.1</li>
<li>ovn3-devel-23.03.3-150500.3.31.1</li>
<li>ovn3-vtep-debuginfo-23.03.3-150500.3.31.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-5265.html">https://www.suse.com/security/cve/CVE-2026-5265.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-5367.html">https://www.suse.com/security/cve/CVE-2026-5367.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262498">https://bugzilla.suse.com/show_bug.cgi?id=1262498</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262499">https://bugzilla.suse.com/show_bug.cgi?id=1262499</a>
</li>
</ul>
</div>