<div class="container">
<h1>Security update for apache2</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2104-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-28T14:03:06Z</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=1263935">bsc#1263935</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263950">bsc#1263950</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263951">bsc#1263951</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263952">bsc#1263952</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263953">bsc#1263953</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263954">bsc#1263954</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263955">bsc#1263955</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263956">bsc#1263956</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263957">bsc#1263957</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264150">bsc#1264150</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264163">bsc#1264163</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-2026-23918.html">CVE-2026-23918</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-24072.html">CVE-2026-24072</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-28780.html">CVE-2026-28780</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-29168.html">CVE-2026-29168</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-29169.html">CVE-2026-29169</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-33006.html">CVE-2026-33006</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-33007.html">CVE-2026-33007</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-33523.html">CVE-2026-33523</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-33857.html">CVE-2026-33857</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34032.html">CVE-2026-34032</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34059.html">CVE-2026-34059</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-2026-23918</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.2</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23918</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23918</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-24072</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-24072</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28780</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28780</span>
<span class="cvss-source">
(
SUSE
):
</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:N/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28780</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29168</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-2026-29168</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:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29168</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-29169</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-2026-29169</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-2026-29169</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-2026-33006</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33006</span>
<span class="cvss-source">
(
SUSE
):
</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33006</span>
<span class="cvss-source">
(
NVD
):
</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-2026-33007</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33007</span>
<span class="cvss-source">
(
SUSE
):
</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:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33007</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:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33523</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33523</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33523</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:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33857</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33857</span>
<span class="cvss-source">
(
SUSE
):
</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-2026-33857</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-2026-34032</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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-2026-34032</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34032</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-2026-34059</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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-2026-34059</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34059</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>
</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">Server Applications Module 15-SP7</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 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP7</li>
<li class="list-group-item">SUSE Package Hub 15 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 apache2 fixes the following issues</p>
<ul>
<li>CVE-2026-23918: http2: double free and possible RCE on early reset (bsc#1263957).</li>
<li>CVE-2026-24072: mod_rewrite elevation of privileges via ap_expr (bsc#1263935).</li>
<li>CVE-2026-28780: heap buffer overflow in <code>mod_proxy_ajp</code> via <code>ajp_msg_check_header()</code> (bsc#1264163).</li>
<li>CVE-2026-29168: allocation of resources without limits in <code>mod_md</code> via OCSP response (bsc#1264150).</li>
<li>CVE-2026-29169: NULL pointer dereference in <code>mod_dav_lock</code> allows server crash via malicious requests (bsc#1263956).</li>
<li>CVE-2026-33006: <code>mod_auth_digest</code> timing attack allows bypass of Digest authentication (bsc#1263955).</li>
<li>CVE-2026-33007: NULL pointer dereference in <code>mod_authn_socache</code> allows unauthenticated remote user to crash a child
processes (bsc#1263954).</li>
<li>CVE-2026-33523: HTTP response splitting forwarding malicious status line (bsc#1263953).</li>
<li>CVE-2026-33857: off-by-one OOB reads in AJP getter functions (bsc#1263952).</li>
<li>CVE-2026-34032: heap buffer overread in <code>mod_proxy_ajp</code> due to missing null-termination check (bsc#1263951).</li>
<li>CVE-2026-34059: heap buffer overread and memory disclosure via <code>ajp_parse_data()</code> (bsc#1263950).</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 Package Hub 15 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2026-2104=1</code>
</li>
<li class="list-group-item">
Server Applications Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2104=1</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-2104=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>apache2-event-2.4.66-150700.4.20.1</li>
<li>apache2-event-debugsource-2.4.66-150700.4.20.1</li>
<li>apache2-event-debuginfo-2.4.66-150700.4.20.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>apache2-utils-debugsource-2.4.66-150700.4.20.1</li>
<li>apache2-utils-debuginfo-2.4.66-150700.4.20.1</li>
<li>apache2-devel-2.4.66-150700.4.20.1</li>
<li>apache2-worker-2.4.66-150700.4.20.1</li>
<li>apache2-worker-debugsource-2.4.66-150700.4.20.1</li>
<li>apache2-utils-2.4.66-150700.4.20.1</li>
<li>apache2-worker-debuginfo-2.4.66-150700.4.20.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP7 (noarch)
<ul>
<li>apache2-manual-2.4.66-150700.4.20.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>apache2-2.4.66-150700.4.20.1</li>
<li>apache2-debuginfo-2.4.66-150700.4.20.1</li>
<li>apache2-prefork-debugsource-2.4.66-150700.4.20.1</li>
<li>apache2-debugsource-2.4.66-150700.4.20.1</li>
<li>apache2-prefork-debuginfo-2.4.66-150700.4.20.1</li>
<li>apache2-prefork-2.4.66-150700.4.20.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23918.html">https://www.suse.com/security/cve/CVE-2026-23918.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-24072.html">https://www.suse.com/security/cve/CVE-2026-24072.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-28780.html">https://www.suse.com/security/cve/CVE-2026-28780.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-29168.html">https://www.suse.com/security/cve/CVE-2026-29168.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-29169.html">https://www.suse.com/security/cve/CVE-2026-29169.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-33006.html">https://www.suse.com/security/cve/CVE-2026-33006.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-33007.html">https://www.suse.com/security/cve/CVE-2026-33007.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-33523.html">https://www.suse.com/security/cve/CVE-2026-33523.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-33857.html">https://www.suse.com/security/cve/CVE-2026-33857.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34032.html">https://www.suse.com/security/cve/CVE-2026-34032.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34059.html">https://www.suse.com/security/cve/CVE-2026-34059.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263935">https://bugzilla.suse.com/show_bug.cgi?id=1263935</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263950">https://bugzilla.suse.com/show_bug.cgi?id=1263950</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263951">https://bugzilla.suse.com/show_bug.cgi?id=1263951</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263952">https://bugzilla.suse.com/show_bug.cgi?id=1263952</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263953">https://bugzilla.suse.com/show_bug.cgi?id=1263953</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263954">https://bugzilla.suse.com/show_bug.cgi?id=1263954</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263955">https://bugzilla.suse.com/show_bug.cgi?id=1263955</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263956">https://bugzilla.suse.com/show_bug.cgi?id=1263956</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1263957">https://bugzilla.suse.com/show_bug.cgi?id=1263957</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264150">https://bugzilla.suse.com/show_bug.cgi?id=1264150</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264163">https://bugzilla.suse.com/show_bug.cgi?id=1264163</a>
</li>
</ul>
</div>