<div class="container">
<h1>Security update for frr</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2455-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-06-18T14:02:52Z</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=1261013">bsc#1261013</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263859">bsc#1263859</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263863">bsc#1263863</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263974">bsc#1263974</a>
</li>
<li style="display: inline;">
<a href="https://jira.suse.com/browse/PED-11089">jsc#PED-11089</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-2026-28532.html">CVE-2026-28532</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-37457.html">CVE-2026-37457</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-37458.html">CVE-2026-37458</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-5107.html">CVE-2026-5107</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-2026-28532</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:A/AC:L/AT:P/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-2026-28532</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:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28532</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:A/AC:L/AT:P/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-2026-28532</span>
<span class="cvss-source">
(
NVD
):
</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:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-37457</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-2026-37457</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-2026-37458</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-2026-37458</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-2026-37458</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-2026-5107</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">2.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/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-2026-5107</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-5107</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">2.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/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-2026-5107</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-5107</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L</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 four vulnerabilities and contains one feature can now be installed.</p>
<h2>Description:</h2>
<p>This update for frr fixes the following issues</p>
<ul>
<li>CVE-2026-5107: Fixed an improper access controls in EVPN Type-2 Route Handler (bsc#1261013).</li>
<li>CVE-2026-28532: Harden TE/SR TLV iteration against malformed lengths (bsc#1263859).</li>
<li>CVE-2026-37457: Fix off-by-one error in FlowSpec operator array bounds check (bsc#1263863).</li>
<li>CVE-2026-37458: Validate MP_REACH_NLRI attribute against incorrect next-hop (bsc#1263974).</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-2026-2455=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-2026-2455=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>frr-debuginfo-8.5.7-8.16.1</li>
<li>libfrrcares0-8.5.7-8.16.1</li>
<li>libfrrospfapiclient0-debuginfo-8.5.7-8.16.1</li>
<li>libfrrsnmp0-8.5.7-8.16.1</li>
<li>libfrrospfapiclient0-8.5.7-8.16.1</li>
<li>frr-debugsource-8.5.7-8.16.1</li>
<li>libfrr0-debuginfo-8.5.7-8.16.1</li>
<li>frr-devel-8.5.7-8.16.1</li>
<li>libfrrcares0-debuginfo-8.5.7-8.16.1</li>
<li>frr-8.5.7-8.16.1</li>
<li>libfrrsnmp0-debuginfo-8.5.7-8.16.1</li>
<li>libfrr0-8.5.7-8.16.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
<ul>
<li>frr-debuginfo-8.5.7-8.16.1</li>
<li>libfrrcares0-8.5.7-8.16.1</li>
<li>libfrrospfapiclient0-debuginfo-8.5.7-8.16.1</li>
<li>libfrrsnmp0-8.5.7-8.16.1</li>
<li>libfrrospfapiclient0-8.5.7-8.16.1</li>
<li>frr-debugsource-8.5.7-8.16.1</li>
<li>libfrr0-debuginfo-8.5.7-8.16.1</li>
<li>frr-devel-8.5.7-8.16.1</li>
<li>libfrrcares0-debuginfo-8.5.7-8.16.1</li>
<li>frr-8.5.7-8.16.1</li>
<li>libfrrsnmp0-debuginfo-8.5.7-8.16.1</li>
<li>libfrr0-8.5.7-8.16.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-28532.html">https://www.suse.com/security/cve/CVE-2026-28532.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-37457.html">https://www.suse.com/security/cve/CVE-2026-37457.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-37458.html">https://www.suse.com/security/cve/CVE-2026-37458.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-5107.html">https://www.suse.com/security/cve/CVE-2026-5107.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261013">https://bugzilla.suse.com/show_bug.cgi?id=1261013</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263859">https://bugzilla.suse.com/show_bug.cgi?id=1263859</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263863">https://bugzilla.suse.com/show_bug.cgi?id=1263863</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263974">https://bugzilla.suse.com/show_bug.cgi?id=1263974</a>
</li>
<li>
<a href="https://jira.suse.com/browse/PED-11089">https://jira.suse.com/browse/PED-11089</a>
</li>
</ul>
</div>