<div class="container">
<h1>Security update for golang-github-prometheus-alertmanager</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:01992-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-06-18T02:13:13Z</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=1236516">bsc#1236516</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1238686">bsc#1238686</a>
</li>
<li style="display: inline;">
<a href="https://jira.suse.com/browse/MSQA-992">jsc#MSQA-992</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-2023-45288.html">CVE-2023-45288</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-22870.html">CVE-2025-22870</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-2023-45288</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-2023-45288</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-2025-22870</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-22870</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-22870</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.3</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">openSUSE Leap 15.6</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP2</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP3</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 Desktop 15 SP6</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</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP1</li>
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP2</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 Real Time 15 SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP2</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 Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP2</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP3</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 15 SP6</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</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP1</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP2</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 Linux Enterprise Server for SAP Applications 15 SP7</li>
<li class="list-group-item">SUSE Manager Client Tools for SLE 15</li>
<li class="list-group-item">SUSE Manager Proxy 4.3</li>
<li class="list-group-item">SUSE Manager Proxy 4.3 Module</li>
<li class="list-group-item">SUSE Manager Retail Branch Server 4.3</li>
<li class="list-group-item">SUSE Package Hub 15 15-SP6</li>
<li class="list-group-item">SUSE Package Hub 15 15-SP7</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities and contains one feature can now be installed.</p>
<h2>Description:</h2>
<p>This update for golang-github-prometheus-alertmanager fixes the following issues:</p>
<ul>
<li>Security: </li>
<li>CVE-2025-22870: Fix proxy bypassing using IPv6 zone IDs (bsc#1238686)</li>
<li>CVE-2023-45288: Fix HTTP/2 CONTINUATION flood in net/http (bsc#1236516)</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-15.6-2025-1992=1</code>
</li>
<li class="list-group-item">
SUSE Manager Client Tools for SLE 15
<br/>
<code>zypper in -t patch SUSE-SLE-Manager-Tools-15-2025-1992=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-SP6-2025-1992=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-SP7-2025-1992=1</code>
</li>
<li class="list-group-item">
SUSE Manager Proxy 4.3 Module
<br/>
<code>zypper in -t patch SUSE-SLE-Module-SUSE-Manager-Proxy-4.3-2025-1992=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>golang-github-prometheus-alertmanager-debuginfo-0.26.0-150100.4.25.2</li>
<li>golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2</li>
</ul>
</li>
<li>
SUSE Manager Client Tools for SLE 15 (aarch64 ppc64le s390x x86_64)
<ul>
<li>golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>golang-github-prometheus-alertmanager-debuginfo-0.26.0-150100.4.25.2</li>
<li>golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>golang-github-prometheus-alertmanager-debuginfo-0.26.0-150100.4.25.2</li>
<li>golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2</li>
</ul>
</li>
<li>
SUSE Manager Proxy 4.3 Module (aarch64 ppc64le s390x x86_64)
<ul>
<li>golang-github-prometheus-alertmanager-0.26.0-150100.4.25.2</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-45288.html">https://www.suse.com/security/cve/CVE-2023-45288.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-22870.html">https://www.suse.com/security/cve/CVE-2025-22870.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1236516">https://bugzilla.suse.com/show_bug.cgi?id=1236516</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1238686">https://bugzilla.suse.com/show_bug.cgi?id=1238686</a>
</li>
<li>
<a href="https://jira.suse.com/browse/MSQA-992">https://jira.suse.com/browse/MSQA-992</a>
</li>
</ul>
</div>