<div class="container">
<h1>Security update for valkey</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:21814-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-18T10:10:37Z</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=1258746">bsc#1258746</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258788">bsc#1258788</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264164">bsc#1264164</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264165">bsc#1264165</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264166">bsc#1264166</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-2025-67733.html">CVE-2025-67733</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-21863.html">CVE-2026-21863</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-23479.html">CVE-2026-23479</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-23631.html">CVE-2026-23631</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-25243.html">CVE-2026-25243</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-2025-67733</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-67733</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-67733</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-21863</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-2026-21863</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-2026-23479</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/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-2026-23479</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23479</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/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-2026-23479</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:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23631</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23631</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-23631</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/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-2026-23631</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25243</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25243</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25243</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/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-2026-25243</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:L/UI:N/S:U/C:H/I:H/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 five vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for valkey fixes the following issues</p>
<ul>
<li>CVE-2025-67733: data tampering and denial of service via improper null character handling in Lua scripts
(bsc#1258746).</li>
<li>CVE-2026-21863: denial of service via invalid clusterbus packet (bsc#1258788).</li>
<li>CVE-2026-23479: use-after-free in unblock client flow may lead to remote code execution (bsc#1264164).</li>
<li>CVE-2026-23631: Lua use-after-free via the master-replica synchronization mechanism may lead to remote code execution
(bsc#1264165).</li>
<li>CVE-2026-25243: invalid memory access in RESTORE command via a specially crafted serialized payload may lead to remote
code execution (bsc#1264166).</li>
</ul>
<p>Changes for valkey:</p>
<ul>
<li>
<p>Update to 8.0.9.</p>
</li>
<li>
<p>Update to 8.0.7:</p>
</li>
<li>
<p>Fix ltrim should not call signalModifiedKey when no elements are removed (#2787)</p>
</li>
<li>Fix chained replica crash when doing dual channel replication (#2983)</li>
<li>Fix used_memory_dataset underflow due to miscalculated used_memory_overhead (#3005)</li>
<li>Avoids crash during MODULE UNLOAD when ACL rules reference a module command and
subcommand (#3160)</li>
<li>Fix server assert on ACL LOAD and resetchannels (#3182)</li>
<li>Fix bug causing no response flush sometimes when IO threads are busy (#3205)</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 for SAP applications 16.0
<br/>
<code>zypper in -t patch SUSE-SLES-16.0-774=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 16.0
<br/>
<code>zypper in -t patch SUSE-SLES-16.0-774=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
<ul>
<li>valkey-devel-8.0.9-160000.1.1</li>
<li>valkey-debugsource-8.0.9-160000.1.1</li>
<li>valkey-debuginfo-8.0.9-160000.1.1</li>
<li>valkey-8.0.9-160000.1.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server for SAP applications 16.0 (noarch)
<ul>
<li>valkey-compat-redis-8.0.9-160000.1.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
<ul>
<li>valkey-devel-8.0.9-160000.1.1</li>
<li>valkey-debugsource-8.0.9-160000.1.1</li>
<li>valkey-debuginfo-8.0.9-160000.1.1</li>
<li>valkey-8.0.9-160000.1.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 16.0 (noarch)
<ul>
<li>valkey-compat-redis-8.0.9-160000.1.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-67733.html">https://www.suse.com/security/cve/CVE-2025-67733.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-21863.html">https://www.suse.com/security/cve/CVE-2026-21863.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23479.html">https://www.suse.com/security/cve/CVE-2026-23479.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-23631.html">https://www.suse.com/security/cve/CVE-2026-23631.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-25243.html">https://www.suse.com/security/cve/CVE-2026-25243.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258746">https://bugzilla.suse.com/show_bug.cgi?id=1258746</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258788">https://bugzilla.suse.com/show_bug.cgi?id=1258788</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264164">https://bugzilla.suse.com/show_bug.cgi?id=1264164</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264165">https://bugzilla.suse.com/show_bug.cgi?id=1264165</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1264166">https://bugzilla.suse.com/show_bug.cgi?id=1264166</a>
</li>
</ul>
</div>