<div class="container">
<h1>Security update for cpp-httplib</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:20600-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-03-02T10:20:20Z</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=1246468">bsc#1246468</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1246471">bsc#1246471</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-2025-53628.html">CVE-2025-53628</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-53629.html">CVE-2025-53629</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-2025-53628</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:H/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-53628</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.6</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-53628</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/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-2025-53628</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:N/UI:R/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-53629</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:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-53629</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-2025-53629</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Enterprise Server 16.0</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 16.0</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 cpp-httplib fixes the following issues:</p>
<ul>
<li>CVE-2025-53629: header can allocate memory arbitrarily in the server, potentially leading to its exhaustion
(bsc#1246471).</li>
<li>CVE-2025-53628: HTTP header smuggling due to insecure trailers merge (bsc#1246468).</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 16.0
<br/>
<code>zypper in -t patch SUSE-SLES-16.0-333=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 16.0
<br/>
<code>zypper in -t patch SUSE-SLES-16.0-333=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
<ul>
<li>libcpp-httplib0_22-debuginfo-0.22.0-160000.4.1</li>
<li>cpp-httplib-debugsource-0.22.0-160000.4.1</li>
<li>libcpp-httplib0_22-0.22.0-160000.4.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 16.0 (ppc64le x86_64)
<ul>
<li>libcpp-httplib0_22-debuginfo-0.22.0-160000.4.1</li>
<li>cpp-httplib-debugsource-0.22.0-160000.4.1</li>
<li>libcpp-httplib0_22-0.22.0-160000.4.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-53628.html">https://www.suse.com/security/cve/CVE-2025-53628.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-53629.html">https://www.suse.com/security/cve/CVE-2025-53629.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1246468">https://bugzilla.suse.com/show_bug.cgi?id=1246468</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1246471">https://bugzilla.suse.com/show_bug.cgi?id=1246471</a>
</li>
</ul>
</div>