<div class="container">
<h1>Security update for netty</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:4489-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-12-19T11:02:03Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>moderate</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1255048">bsc#1255048</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-2025-67735.html">CVE-2025-67735</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-2025-67735</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:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-67735</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:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-67735</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>
</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 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 one vulnerability can now be installed.</p>
<h2>Description:</h2>
<p>This update for netty fixes the following issues:</p>
<p>Update to upstream version 4.1.130.</p>
<p>Security issues fixed:</p>
<ul>
<li>CVE-2025-67735: lack of URI sanitization in <code>HttpRequestEncoder</code> allows for CRLF injection through a request URI and
can lead to request smuggling (bsc#1255048).</li>
</ul>
<p>Other updates and bugfixes:</p>
<ul>
<li>Version 4.1.130:</li>
<li>Update <code>lz4-java</code> version to 1.10.1</li>
<li>Close <code>Channel</code> and fail bootstrap when setting a <code>ChannelOption</code> causes an error</li>
<li>Discard the following <code>HttpContent</code> for preflight request</li>
<li>Fix race condition in <code>NonStickyEventExecutorGroup</code> causing incorrect <code>inEventLoop()</code> results</li>
<li>Fix Zstd compression for large data</li>
<li>Fix <code>ZstdEncoder</code> not producing data when source is smaller than block</li>
<li>Make big endian ASCII hashcode consistent with little endian</li>
<li>Fix reentrancy bug in <code>ByteToMessageDecoder</code></li>
<li>Add 32k and 64k size classes to adaptive allocator</li>
<li>Re-enable reflective field accesses in native images</li>
<li>Correct HTTP/2 padding length check</li>
<li>Fix HTTP startline validation</li>
<li>
<p>Fix <code>MpscIntQueue</code> bug</p>
</li>
<li>
<p>Build against the <code>org.jboss:jdk-misc</code> artifact that is implementing the <code>sun.misc</code> classes removed in Java 25</p>
</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 openSUSE-SLE-15.6-2025-4489=1</code>
</li>
<li class="list-group-item">
SUSE Package Hub 15 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-4489=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-4.1.130-150200.4.40.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>netty-javadoc-4.1.130-150200.4.40.1</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-4.1.130-150200.4.40.1</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP7 (noarch)
<ul>
<li>netty-javadoc-4.1.130-150200.4.40.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-67735.html">https://www.suse.com/security/cve/CVE-2025-67735.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1255048">https://bugzilla.suse.com/show_bug.cgi?id=1255048</a>
</li>
</ul>
</div>