<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-2023:2974-1</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=1212637">#1212637</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-2023-34462.html">CVE-2023-34462</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-2023-34462</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:L/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2023-34462</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: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-SP4</li>
<li class="list-group-item">Development Tools Module 15-SP5</li>
<li class="list-group-item">openSUSE Leap 15.4</li>
<li class="list-group-item">openSUSE Leap 15.5</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP5</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 Real Time 15 SP3</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP4</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</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 Manager Proxy 4.3</li>
<li class="list-group-item">SUSE Manager Retail Branch Server 4.3</li>
<li class="list-group-item">SUSE Manager Server 4.3</li>
<li class="list-group-item">SUSE Package Hub 15 15-SP5</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, netty-tcnative fixes the following issues:</p>
<p>Upgrade to upstream version 4.1.94:</p>
<ul>
<li>CVE-2023-34462: Allow to limit the maximum lenght of the ClientHello (bsc#1212637).</li>
</ul>
<h2>Patch Instructions:</h2>
<p>
To install this SUSE Moderate 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 15.4
<br/>
<code>zypper in -t patch openSUSE-SLE-15.4-2023-2974=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.5
<br/>
<code>zypper in -t patch openSUSE-SLE-15.5-2023-2974=1</code>
</li>
<li class="list-group-item">
Development Tools Module 15-SP4
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP4-2023-2974=1</code>
</li>
<li class="list-group-item">
Development Tools Module 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP5-2023-2974=1</code>
</li>
<li class="list-group-item">
SUSE Package Hub 15 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP5-2023-2974=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Real Time 15 SP3
<br/>
<code>zypper in -t patch SUSE-SLE-Product-RT-15-SP3-2023-2974=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.61-150200.3.13.1</li>
<li>netty-4.1.94-150200.4.17.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.4 (noarch)
<ul>
<li>netty-tcnative-javadoc-2.0.61-150200.3.13.1</li>
<li>netty-poms-4.1.94-150200.4.17.1</li>
<li>netty-javadoc-4.1.94-150200.4.17.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.61-150200.3.13.1</li>
<li>netty-4.1.94-150200.4.17.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (noarch)
<ul>
<li>netty-tcnative-javadoc-2.0.61-150200.3.13.1</li>
<li>netty-poms-4.1.94-150200.4.17.1</li>
<li>netty-javadoc-4.1.94-150200.4.17.1</li>
</ul>
</li>
<li>
Development Tools Module 15-SP4 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.61-150200.3.13.1</li>
</ul>
</li>
<li>
Development Tools Module 15-SP5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.61-150200.3.13.1</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-4.1.94-150200.4.17.1</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP5 (noarch)
<ul>
<li>netty-poms-4.1.94-150200.4.17.1</li>
<li>netty-javadoc-4.1.94-150200.4.17.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Real Time 15 SP3 (x86_64)
<ul>
<li>netty-tcnative-2.0.61-150200.3.13.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-34462.html">https://www.suse.com/security/cve/CVE-2023-34462.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1212637">https://bugzilla.suse.com/show_bug.cgi?id=1212637</a>
</li>
</ul>
</div>