<div class="container">
<h1>Security update for netty, netty-tcnative</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:0590-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-02-19T10:34:42Z</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=1237037">bsc#1237037</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237038">bsc#1237038</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-2025-24970.html">CVE-2025-24970</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-25193.html">CVE-2025-25193</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-2025-24970</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-2025-24970</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-2025-25193</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2025-25193</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/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">Development Tools Module 15-SP6</li>
<li class="list-group-item">openSUSE Leap 15.6</li>
<li class="list-group-item">SUSE Enterprise Storage 7.1</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP3</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing LTSS 15 SP3</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing LTSS 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing LTSS 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP3</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP3 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP3</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP6</li>
<li class="list-group-item">SUSE Package Hub 15 15-SP6</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 netty, netty-tcnative fixes the following issues:</p>
<ul>
<li>CVE-2025-24970: incorrect validation of packets by SslHandler can lead to a native crash. (bsc#1237037)</li>
<li>CVE-2025-25193: unsafe reading of environment files can lead to an application crash. (bsc#1237038)</li>
</ul>
<p>Update to netty version 4.1.118 and netty-tcnative version 2.0.70 Final.</p>
<p>Other fixes:</p>
<ul>
<li>Fix recycling in CodecOutputList. </li>
<li>StreamBufferingEncoder: do not send header frame with priority by default.</li>
<li>Notify event loop termination future of unexpected exceptions.</li>
<li>Fix AccessControlException in GlobalEventExecutor.</li>
<li>AdaptivePoolingAllocator: round chunk sizes up and reduce chunk release frequency.</li>
<li>Support BouncyCastle FIPS for reading PEM files.</li>
<li>Dns: correctly encode DnsPtrRecord.</li>
<li>Provide Brotli settings without com.aayushatharva.brotli4j dependency.</li>
<li>Make DefaultResourceLeak more resilient against OOM.</li>
<li>OpenSslSession: add support to defensively check for peer certs.</li>
<li>SslHandler: ensure buffers are never leaked when wrap(...) produces SSLException.</li>
<li>Correcly handle comments appended to nameserver declarations.</li>
<li>PcapWriteHandler: apply fixes so that the handler can append to an existing PCAP file when writing the global header.</li>
<li>PcapWriteHandler: allow output of PCAP files larger than 2GB.</li>
<li>Fix bugs in BoundedInputStream.</li>
<li>Fix HTTP header validation bug.</li>
<li>AdaptivePoolingAllocator: fix possible race condition in method offerToQueue(...).</li>
<li>AdaptivePoolingAllocator: make sure the sentinel object Magazine.MAGAZINE_FREED not be replaced.</li>
<li>Only try to use Zstd and Brotli if the native libs can be loaded.</li>
<li>Bump BlockHound version to 1.0.10.RELEASE.</li>
<li>Add details to TooLongFrameException message.</li>
<li>AdaptivePoolingAllocator: correctly reuse chunks.</li>
<li>AdaptivePoolingAllocator: don't fail when we run on a host with 1 core.</li>
<li>AdaptivePoolingAllocator: correctly re-use central queue chunks and avoid OOM issue.</li>
<li>Fix several memory management (leaks and missing checks) issues.</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-15.6-2025-590=1</code>
</li>
<li class="list-group-item">
Development Tools Module 15-SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP6-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Package Hub 15 15-SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing LTSS 15 SP3
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP3-LTSS-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-ESPOS-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing LTSS 15 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP4-LTSS-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-ESPOS-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP3 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP4 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP4-LTSS-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP5 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP3
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP3-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP4-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2025-590=1</code>
</li>
<li class="list-group-item">
SUSE Enterprise Storage 7.1
<br/>
<code>zypper in -t patch SUSE-Storage-7.1-2025-590=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-4.1.118-150200.4.29.2</li>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (noarch)
<ul>
<li>netty-javadoc-4.1.118-150200.4.29.2</li>
<li>netty-tcnative-javadoc-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
Development Tools Module 15-SP6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-4.1.118-150200.4.29.2</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP6 (noarch)
<ul>
<li>netty-javadoc-4.1.118-150200.4.29.2</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP3 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP3 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP3 (ppc64le x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
<li>
SUSE Enterprise Storage 7.1 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.70-150200.3.25.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-24970.html">https://www.suse.com/security/cve/CVE-2025-24970.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-25193.html">https://www.suse.com/security/cve/CVE-2025-25193.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237037">https://bugzilla.suse.com/show_bug.cgi?id=1237037</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237038">https://bugzilla.suse.com/show_bug.cgi?id=1237038</a>
</li>
</ul>
</div>