<div class="container">
<h1>Security update for tomcat11</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:1558-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-04-22T16:24:40Z</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=1258371">bsc#1258371</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261850">bsc#1261850</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261851">bsc#1261851</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261852">bsc#1261852</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261853">bsc#1261853</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261854">bsc#1261854</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261855">bsc#1261855</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261856">bsc#1261856</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261857">bsc#1261857</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-2025-66614.html">CVE-2025-66614</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-24880.html">CVE-2026-24880</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-25854.html">CVE-2026-25854</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-29129.html">CVE-2026-29129</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-29145.html">CVE-2026-29145</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-29146.html">CVE-2026-29146</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-32990.html">CVE-2026-32990</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34483.html">CVE-2026-34483</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34486.html">CVE-2026-34486</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34487.html">CVE-2026-34487</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34500.html">CVE-2026-34500</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-2025-66614</span>
<span class="cvss-source">
(
SUSE
):
</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:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-66614</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-66614</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.6</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-66614</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-24880</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-24880</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-24880</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25854</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25854</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25854</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29129</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29129</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29129</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:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29145</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29145</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29145</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29146</span>
<span class="cvss-source">
(
SUSE
):
</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:H/VI:N/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29146</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-2026-29146</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:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-32990</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34483</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34483</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34483</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:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34486</span>
<span class="cvss-source">
(
SUSE
):
</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:H/VI:N/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34486</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-2026-34486</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:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34487</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34487</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:N/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34487</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:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34500</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34500</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34500</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:H/I:L/A:N</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.6</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>
<li class="list-group-item">Web and Scripting Module 15-SP7</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves 11 vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for tomcat11 fixes the following issues:</p>
<p>Security fixes:</p>
<ul>
<li>CVE-2026-24880: Request smuggling via invalid chunk extension (bsc#1261850).</li>
<li>CVE-2026-25854: Occasionally open redirect (bsc#1261851).</li>
<li>CVE-2026-29129: TLS cipher order is not preserved (bsc#1261852).</li>
<li>CVE-2026-29145: OCSP checks sometimes soft-fail even when soft-fail is disabled (bsc#1261853).</li>
<li>CVE-2026-29146,CVE-2026-34486: Fix for allowed bypass of EncryptInterceptor (bsc#1261854).</li>
<li>CVE-2026-34483: Incomplete escaping of JSON access logs (bsc#1261855).</li>
<li>CVE-2026-34487: Cloud membership for clustering component exposed the Kubernetes bearer token (bsc#1261856).</li>
<li>CVE-2026-34500: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled (bsc#1261857).</li>
<li>CVE-2026-32990: The fix for CVE-2025-66614 was incomplete, so this CVE completes it (bsc#1258371).</li>
</ul>
<p>Other fixes:</p>
<ul>
<li>Update to Tomcat 11.0.21</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">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch SUSE-2026-1558=1</code>
</li>
<li class="list-group-item">
Web and Scripting Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Web-Scripting-15-SP7-2026-1558=1</code>
</li>
<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-2026-1558=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-SP6-2026-1558=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>tomcat11-jsp-4_0-api-11.0.21-150600.13.18.1</li>
<li>tomcat11-webapps-11.0.21-150600.13.18.1</li>
<li>tomcat11-embed-11.0.21-150600.13.18.1</li>
<li>tomcat11-jsvc-11.0.21-150600.13.18.1</li>
<li>tomcat11-lib-11.0.21-150600.13.18.1</li>
<li>tomcat11-doc-11.0.21-150600.13.18.1</li>
<li>tomcat11-11.0.21-150600.13.18.1</li>
<li>tomcat11-docs-webapp-11.0.21-150600.13.18.1</li>
<li>tomcat11-admin-webapps-11.0.21-150600.13.18.1</li>
<li>tomcat11-el-6_0-api-11.0.21-150600.13.18.1</li>
<li>tomcat11-servlet-6_1-api-11.0.21-150600.13.18.1</li>
</ul>
</li>
<li>
Web and Scripting Module 15-SP7 (noarch)
<ul>
<li>tomcat11-jsp-4_0-api-11.0.21-150600.13.18.1</li>
<li>tomcat11-webapps-11.0.21-150600.13.18.1</li>
<li>tomcat11-lib-11.0.21-150600.13.18.1</li>
<li>tomcat11-11.0.21-150600.13.18.1</li>
<li>tomcat11-admin-webapps-11.0.21-150600.13.18.1</li>
<li>tomcat11-el-6_0-api-11.0.21-150600.13.18.1</li>
<li>tomcat11-servlet-6_1-api-11.0.21-150600.13.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (noarch)
<ul>
<li>tomcat11-jsp-4_0-api-11.0.21-150600.13.18.1</li>
<li>tomcat11-webapps-11.0.21-150600.13.18.1</li>
<li>tomcat11-lib-11.0.21-150600.13.18.1</li>
<li>tomcat11-11.0.21-150600.13.18.1</li>
<li>tomcat11-admin-webapps-11.0.21-150600.13.18.1</li>
<li>tomcat11-el-6_0-api-11.0.21-150600.13.18.1</li>
<li>tomcat11-servlet-6_1-api-11.0.21-150600.13.18.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (noarch)
<ul>
<li>tomcat11-jsp-4_0-api-11.0.21-150600.13.18.1</li>
<li>tomcat11-webapps-11.0.21-150600.13.18.1</li>
<li>tomcat11-lib-11.0.21-150600.13.18.1</li>
<li>tomcat11-11.0.21-150600.13.18.1</li>
<li>tomcat11-admin-webapps-11.0.21-150600.13.18.1</li>
<li>tomcat11-el-6_0-api-11.0.21-150600.13.18.1</li>
<li>tomcat11-servlet-6_1-api-11.0.21-150600.13.18.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-66614.html">https://www.suse.com/security/cve/CVE-2025-66614.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-24880.html">https://www.suse.com/security/cve/CVE-2026-24880.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-25854.html">https://www.suse.com/security/cve/CVE-2026-25854.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-29129.html">https://www.suse.com/security/cve/CVE-2026-29129.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-29145.html">https://www.suse.com/security/cve/CVE-2026-29145.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-29146.html">https://www.suse.com/security/cve/CVE-2026-29146.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-32990.html">https://www.suse.com/security/cve/CVE-2026-32990.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34483.html">https://www.suse.com/security/cve/CVE-2026-34483.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34486.html">https://www.suse.com/security/cve/CVE-2026-34486.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34487.html">https://www.suse.com/security/cve/CVE-2026-34487.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34500.html">https://www.suse.com/security/cve/CVE-2026-34500.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258371">https://bugzilla.suse.com/show_bug.cgi?id=1258371</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261850">https://bugzilla.suse.com/show_bug.cgi?id=1261850</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261851">https://bugzilla.suse.com/show_bug.cgi?id=1261851</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261852">https://bugzilla.suse.com/show_bug.cgi?id=1261852</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261853">https://bugzilla.suse.com/show_bug.cgi?id=1261853</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261854">https://bugzilla.suse.com/show_bug.cgi?id=1261854</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261855">https://bugzilla.suse.com/show_bug.cgi?id=1261855</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261856">https://bugzilla.suse.com/show_bug.cgi?id=1261856</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261857">https://bugzilla.suse.com/show_bug.cgi?id=1261857</a>
</li>
</ul>
</div>