<div class="container">
<h1>Security update for alloy</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:21793-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-14T15:06:27Z</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=1258099">bsc#1258099</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258609">bsc#1258609</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259919">bsc#1259919</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260317">bsc#1260317</a>
</li>
<li style="display: inline;">
<a href="https://jira.suse.com/browse/PED-14815">jsc#PED-14815</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-2026-25934.html">CVE-2026-25934</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-26958.html">CVE-2026-26958</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-33186.html">CVE-2026-33186</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-4427.html">CVE-2026-4427</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-2026-25934</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25934</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25934</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-25934</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-26958</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:N/VI:H/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-26958</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:N/I:H/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-26958</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">1.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/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-2026-33186</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.6</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/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-2026-33186</span>
<span class="cvss-source">
(
SUSE
):
</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:H/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33186</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-2026-4427</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/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-2026-4427</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-2026-4427</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>
</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 four vulnerabilities and contains one feature can now be installed.</p>
<h2>Description:</h2>
<p>This update for alloy fixes the following issues</p>
<p>Security issues:</p>
<ul>
<li>CVE-2026-4427: github.com/jackc/pgproto3/v2: improper validation of field length allows a malicious PostgreSQL server
to crash a client application via a DataRow message (bsc#1259919).</li>
<li>CVE-2026-25934: github.com/go-git/go-git/v5: improper verification of data integrity values for .pack and .idx files
can lead to the consumption of corrupted files (bsc#1258099).</li>
<li>CVE-2026-26958: filippo.io/edwards25519: failure to initialize receiver in MultiScalarMult can produce invalid results
and lead to undefined behavior (bsc#1258609).</li>
<li>CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo-
header (bsc#1260317).</li>
</ul>
<p>Non security issue:</p>
<ul>
<li>Updated to 1.16.0</li>
<li>Use systemd tmpfiles.d to create /var/lib/alloy hierarchy (jsc#PED-14815)</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-16.0-747=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 16.0
<br/>
<code>zypper in -t patch SUSE-SLES-16.0-747=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server for SAP applications 16.0 (ppc64le x86_64)
<ul>
<li>alloy-1.16.0-160000.1.1</li>
<li>alloy-debuginfo-1.16.0-160000.1.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 16.0 (aarch64 ppc64le s390x x86_64)
<ul>
<li>alloy-1.16.0-160000.1.1</li>
<li>alloy-debuginfo-1.16.0-160000.1.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-25934.html">https://www.suse.com/security/cve/CVE-2026-25934.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-26958.html">https://www.suse.com/security/cve/CVE-2026-26958.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-33186.html">https://www.suse.com/security/cve/CVE-2026-33186.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-4427.html">https://www.suse.com/security/cve/CVE-2026-4427.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258099">https://bugzilla.suse.com/show_bug.cgi?id=1258099</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258609">https://bugzilla.suse.com/show_bug.cgi?id=1258609</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259919">https://bugzilla.suse.com/show_bug.cgi?id=1259919</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260317">https://bugzilla.suse.com/show_bug.cgi?id=1260317</a>
</li>
<li>
<a href="https://jira.suse.com/browse/PED-14815">https://jira.suse.com/browse/PED-14815</a>
</li>
</ul>
</div>