<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-2026:3482-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-08-04T11:46:43Z</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=1271435">bsc#1271435</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271960">bsc#1271960</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271961">bsc#1271961</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272253">bsc#1272253</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272254">bsc#1272254</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272255">bsc#1272255</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272257">bsc#1272257</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272258">bsc#1272258</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272259">bsc#1272259</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272299">bsc#1272299</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272300">bsc#1272300</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272301">bsc#1272301</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272302">bsc#1272302</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272303">bsc#1272303</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272304">bsc#1272304</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272305">bsc#1272305</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272306">bsc#1272306</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272307">bsc#1272307</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272518">bsc#1272518</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272519">bsc#1272519</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272603">bsc#1272603</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-2026-44891.html">CVE-2026-44891</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-55831.html">CVE-2026-55831</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-55833.html">CVE-2026-55833</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-55851.html">CVE-2026-55851</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-56745.html">CVE-2026-56745</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-56746.html">CVE-2026-56746</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-56817.html">CVE-2026-56817</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-56818.html">CVE-2026-56818</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-56819.html">CVE-2026-56819</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-56820.html">CVE-2026-56820</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-56821.html">CVE-2026-56821</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-56822.html">CVE-2026-56822</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-59898.html">CVE-2026-59898</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-59899.html">CVE-2026-59899</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-59900.html">CVE-2026-59900</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-59901.html">CVE-2026-59901</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-59919.html">CVE-2026-59919</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-59920.html">CVE-2026-59920</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-59921.html">CVE-2026-59921</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-2026-44891</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-2026-44891</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-2026-44891</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-2026-55831</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-2026-55831</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-2026-55831</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-2026-55833</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-2026-55833</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-2026-55833</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-2026-55851</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-2026-55851</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-2026-55851</span>
<span class="cvss-source">
(
NVD
):
</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/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-2026-55851</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-2026-56745</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-2026-56745</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-2026-56745</span>
<span class="cvss-source">
(
NVD
):
</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/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-2026-56745</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-2026-56746</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:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-56746</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:R/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-56746</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:R/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-56817</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:H/VI:N/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-56817</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:H/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-56817</span>
<span class="cvss-source">
(
NVD
):
</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:H/VI:N/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-2026-56817</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-2026-56819</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-2026-56819</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-2026-56819</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-2026-56820</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-2026-56820</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-2026-56820</span>
<span class="cvss-source">
(
NVD
):
</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-2026-56820</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-56821</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.6</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:L/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-2026-56821</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-2026-56821</span>
<span class="cvss-source">
(
NVD
):
</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-2026-56822</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-2026-56822</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-2026-56822</span>
<span class="cvss-source">
(
NVD
):
</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-2026-59898</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59898</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.4</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59898</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/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-2026-59899</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-2026-59899</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-2026-59899</span>
<span class="cvss-source">
(
NVD
):
</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/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-2026-59900</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:N/SC:L/SI:L/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59900</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59900</span>
<span class="cvss-source">
(
NVD
):
</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:N/SC:L/SI:L/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-2026-59901</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-2026-59901</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-2026-59901</span>
<span class="cvss-source">
(
NVD
):
</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/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-2026-59919</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59919</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59919</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59920</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59920</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59920</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59921</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59921</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-59921</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">Development Tools Module 15-SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP7</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 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 SP7</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 15 SP6 LTSS</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 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 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 19 vulnerabilities and has two security fixes can now be installed.</p>
<h2>Description:</h2>
<p>This update for netty, netty-tcnative fixes the following issues:</p>
<p>Upgrade netty to upstream version 4.1.136 and netty-tcnative to version 2.0.80 Final.</p>
<p>Security issues fixed</p>
<ul>
<li>CVE-2026-44891: memory exhaustion in <code>io.netty:netty-codec-stomp</code> (bsc#1271435).</li>
<li>CVE-2026-55831: resource exhaustion/DoS in <code>io.netty:netty-codec-http</code> (bsc#1271960).</li>
<li>CVE-2026-55833: zip bomb in <code>io.netty:netty-codec-http</code> (bsc#1271961).</li>
<li>CVE-2026-55851: memory exhaustion in <code>io.netty:netty-codec-haproxy</code> (bsc#1272253).</li>
<li>CVE-2026-56745: memory exhaustion in <code>io.netty:netty-codec-http</code> (bsc#1272254).</li>
<li>CVE-2026-56746: improper access control in <code>io.netty:netty-codec-http</code> (CORS) (bsc#1272255).</li>
<li>CVE-2026-56817: insecure defaults in XML parsing in <code>io.netty:netty-codec-xml</code> (bsc#1272257).</li>
<li>CVE-2026-56818: memory leak in <code>io.netty:netty-codec-redis</code> (bsc#1272603).</li>
<li>CVE-2026-56819: memory leak in <code>io.netty:netty-codec-http2</code> (bsc#1272258).</li>
<li>CVE-2026-56820: improper certificate validation in <code>io.netty:netty-handler-ssl-ocsp</code> (bsc#1272259).</li>
<li>CVE-2026-56821: improper certificate revocation check in <code>io.netty:netty-handler-ssl-ocsp</code> (bsc#1272299).</li>
<li>CVE-2026-56822: time-of-check/time-of-use in <code>io.netty:netty-handler-ssl-ocsp</code> (bsc#1272300).</li>
<li>CVE-2026-59898: protocol version confusion in <code>io.netty:netty-codec-http</code> (websocket) (bsc#1272302).</li>
<li>CVE-2026-59899: memory exhaustion in <code>io.netty:netty-codec-http</code> (bsc#1272301).</li>
<li>CVE-2026-59900: improper header neutralization in <code>io.netty:netty-codec-http2</code> (bsc#1272303).</li>
<li>CVE-2026-59901: infinite loop in <code>io.netty:netty-codec-compression</code> (bzip2) (bsc#1272304).</li>
<li>CVE-2026-59919: improper CR/LF neutralization in <code>io.netty:netty-codec-haproxy</code> (bsc#1272305).</li>
<li>CVE-2026-59920: improper CR/LF neutrolization in <code>io.netty:netty-codec-stomp</code> (bsc#1272306).</li>
<li>CVE-2026-59921: improper CR/LF neutralization in <code>io.netty:netty-codec-http</code> (multipart) (bsc#1272307).</li>
<li>Memory leak in <code>io.netty:netty-codec-dns</code> (bsc#1272519).</li>
<li>Uncontrolled resource consumption in <code>io.netty:netty-codec-xml</code> (bsc#1272518).</li>
</ul>
<p>Other updates and bugfixes:</p>
<ul>
<li>Upgrade to upstream version 4.1.136:</li>
<li>SingleThreadEventExecutor: document Throwable safety contract
on run()</li>
<li>Make HTTP/2 frame hashCode consistent with equals</li>
<li>Add BlockHound exception for DnsQueryIdSpace (#16896)</li>
<li>FlowControlHandler: Fix autoRead behavior</li>
<li>Fix incorrect bounds in error message of
HpackDecoder.setMaxHeaderListSize</li>
<li>MQTT: Fix MQTT decoder size check after variable header replay</li>
<li>MQTT: Make the decodeProperties early-REPLAY check actually
fire</li>
<li>Reject control characters at the boundary of HTTP method names
(#16723)</li>
<li>Update to latest tcnative release</li>
<li>Fix HTTP 2 PUSH_PROMISE stream association validation</li>
<li>Fix GZIP FEXTRA extra-field handling in JdkZlibDecoder</li>
<li>Add opt-in validation of mandatory pseudo-header fields for
HTTP/2</li>
<li>Strictly validate MQTT UTF-8 Encoded String (#16939)</li>
<li>Stop DateFormatter trailing token from running past the parse
end</li>
<li>IpFilter: Deprecate constructor which use accept by default</li>
<li>Add RFC 10008 QUERY Method support (#16966)</li>
<li>Correctly release and fail queued traffic-shaping writes on
close (#16959)</li>
<li>FlowControlHandler: respect auto-read when toggled while
dequeueing</li>
<li>IdleStateHandler: reset firstWriter/ReaderIdleEvent in
resetWriteTimeout/resetReadTimeout (#16982)</li>
<li>Fix typo in AbstractSniHandler Javadoc</li>
<li>Reconcile AbstractCoalescingBufferQueue readableBytes when it
drains, and fail stuck HTTP/2 streams instead of spinning
empty DATA frames</li>
<li>Reject control characters at the boundary of the HTTP version
token (#16971)</li>
<li>Reset UTF-8 decode state on CR in StompSubframeDecoder</li>
<li>HTTP2: Pass the correct number of arguments when logging
goaway</li>
<li>FastLz: Guard decompression against truncated input (#17000)</li>
<li>Fix propagation of startTls for client SslContext handler</li>
<li>Reject non-token characters in HTTP/2 header names</li>
<li>Update lz4-java to 1.11.1</li>
<li>Pin github actions to reduce risk (#17043)</li>
<li>Merge branches from forks (#17063)</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">
Development Tools Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP7-2026-3482=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-SP7-2026-3482=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-2026-3482=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-2026-3482=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-2026-3482=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server for SAP Applications 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-3482=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-2026-3482=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 15 SP6 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-3482=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-2026-3482=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-SP5-2026-3482=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-2026-3482=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-SP4-2026-3482=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-4.1.136-150200.4.53.1</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP7 (noarch)
<ul>
<li>netty-javadoc-4.1.136-150200.4.53.1</li>
</ul>
</li>
<li>
Development Tools Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-debugsource-2.0.80-150200.3.48.1</li>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP6 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP6 (ppc64le x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP4 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing LTSS 15 SP4 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP4 (ppc64le x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise High Performance Computing ESPOS 15 SP4 (aarch64 x86_64)
<ul>
<li>netty-tcnative-2.0.80-150200.3.48.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-44891.html">https://www.suse.com/security/cve/CVE-2026-44891.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-55831.html">https://www.suse.com/security/cve/CVE-2026-55831.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-55833.html">https://www.suse.com/security/cve/CVE-2026-55833.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-55851.html">https://www.suse.com/security/cve/CVE-2026-55851.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-56745.html">https://www.suse.com/security/cve/CVE-2026-56745.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-56746.html">https://www.suse.com/security/cve/CVE-2026-56746.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-56817.html">https://www.suse.com/security/cve/CVE-2026-56817.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-56818.html">https://www.suse.com/security/cve/CVE-2026-56818.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-56819.html">https://www.suse.com/security/cve/CVE-2026-56819.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-56820.html">https://www.suse.com/security/cve/CVE-2026-56820.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-56821.html">https://www.suse.com/security/cve/CVE-2026-56821.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-56822.html">https://www.suse.com/security/cve/CVE-2026-56822.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-59898.html">https://www.suse.com/security/cve/CVE-2026-59898.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-59899.html">https://www.suse.com/security/cve/CVE-2026-59899.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-59900.html">https://www.suse.com/security/cve/CVE-2026-59900.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-59901.html">https://www.suse.com/security/cve/CVE-2026-59901.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-59919.html">https://www.suse.com/security/cve/CVE-2026-59919.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-59920.html">https://www.suse.com/security/cve/CVE-2026-59920.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-59921.html">https://www.suse.com/security/cve/CVE-2026-59921.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271435">https://bugzilla.suse.com/show_bug.cgi?id=1271435</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271960">https://bugzilla.suse.com/show_bug.cgi?id=1271960</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1271961">https://bugzilla.suse.com/show_bug.cgi?id=1271961</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272253">https://bugzilla.suse.com/show_bug.cgi?id=1272253</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272254">https://bugzilla.suse.com/show_bug.cgi?id=1272254</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272255">https://bugzilla.suse.com/show_bug.cgi?id=1272255</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272257">https://bugzilla.suse.com/show_bug.cgi?id=1272257</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272258">https://bugzilla.suse.com/show_bug.cgi?id=1272258</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272259">https://bugzilla.suse.com/show_bug.cgi?id=1272259</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272299">https://bugzilla.suse.com/show_bug.cgi?id=1272299</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272300">https://bugzilla.suse.com/show_bug.cgi?id=1272300</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272301">https://bugzilla.suse.com/show_bug.cgi?id=1272301</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272302">https://bugzilla.suse.com/show_bug.cgi?id=1272302</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272303">https://bugzilla.suse.com/show_bug.cgi?id=1272303</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272304">https://bugzilla.suse.com/show_bug.cgi?id=1272304</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272305">https://bugzilla.suse.com/show_bug.cgi?id=1272305</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272306">https://bugzilla.suse.com/show_bug.cgi?id=1272306</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272307">https://bugzilla.suse.com/show_bug.cgi?id=1272307</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272518">https://bugzilla.suse.com/show_bug.cgi?id=1272518</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272519">https://bugzilla.suse.com/show_bug.cgi?id=1272519</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1272603">https://bugzilla.suse.com/show_bug.cgi?id=1272603</a>
</li>
</ul>
</div>