<div class="container">
<h1>Security update for python311</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:0314-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-01-28T13:28:57Z</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=1254400">bsc#1254400</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254401">bsc#1254401</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254997">bsc#1254997</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-2025-12084.html">CVE-2025-12084</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-13836.html">CVE-2025-13836</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-13837.html">CVE-2025-13837</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-2025-12084</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/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-2025-12084</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:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-12084</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/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-2025-12084</span>
<span class="cvss-source">
(
NVD
):
</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-2025-13836</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/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-2025-13836</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:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-13836</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L/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-2025-13836</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:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-13837</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">2.1</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/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-2025-13837</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2025-13837</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">2.1</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/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-2025-13837</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:N/UI:R/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">Basesystem Module 15-SP7</li>
<li class="list-group-item">openSUSE Leap 15.6</li>
<li class="list-group-item">Python 3 Module 15-SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP7</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 SP7</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves three vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for python311 fixes the following issues:</p>
<ul>
<li>CVE-2025-12084: prevent quadratic behavior in node ID cache clearing (bsc#1254997).</li>
<li>CVE-2025-13836: prevent reading an HTTP response from a server, if no read amount is specified, with using Content-Length per default as the length (bsc#1254400).</li>
<li>CVE-2025-13837: protect against OOM when loading malicious content (bsc#1254401).</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 SUSE-2026-314=1 openSUSE-SLE-15.6-2026-314=1</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-314=1</code>
</li>
<li class="list-group-item">
Python 3 Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Python3-15-SP7-2026-314=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
<ul>
<li>python311-tk-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-base-3.11.14-150600.3.41.2</li>
<li>python311-base-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-tk-3.11.14-150600.3.41.2</li>
<li>python311-devel-3.11.14-150600.3.41.2</li>
<li>libpython3_11-1_0-3.11.14-150600.3.41.2</li>
<li>python311-curses-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-doc-devhelp-3.11.14-150600.3.41.1</li>
<li>python311-testsuite-3.11.14-150600.3.41.2</li>
<li>python311-3.11.14-150600.3.41.2</li>
<li>python311-testsuite-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-idle-3.11.14-150600.3.41.2</li>
<li>python311-debugsource-3.11.14-150600.3.41.2</li>
<li>python311-dbm-3.11.14-150600.3.41.2</li>
<li>python311-doc-3.11.14-150600.3.41.1</li>
<li>python311-tools-3.11.14-150600.3.41.2</li>
<li>python311-core-debugsource-3.11.14-150600.3.41.2</li>
<li>python311-curses-3.11.14-150600.3.41.2</li>
<li>python311-dbm-debuginfo-3.11.14-150600.3.41.2</li>
<li>libpython3_11-1_0-debuginfo-3.11.14-150600.3.41.2</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (x86_64)
<ul>
<li>python311-base-32bit-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-32bit-debuginfo-3.11.14-150600.3.41.2</li>
<li>libpython3_11-1_0-32bit-3.11.14-150600.3.41.2</li>
<li>python311-32bit-3.11.14-150600.3.41.2</li>
<li>python311-base-32bit-3.11.14-150600.3.41.2</li>
<li>libpython3_11-1_0-32bit-debuginfo-3.11.14-150600.3.41.2</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64_ilp32)
<ul>
<li>python311-base-64bit-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-64bit-3.11.14-150600.3.41.2</li>
<li>python311-64bit-debuginfo-3.11.14-150600.3.41.2</li>
<li>libpython3_11-1_0-64bit-3.11.14-150600.3.41.2</li>
<li>python311-base-64bit-3.11.14-150600.3.41.2</li>
<li>libpython3_11-1_0-64bit-debuginfo-3.11.14-150600.3.41.2</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>python311-base-3.11.14-150600.3.41.2</li>
<li>python311-base-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-core-debugsource-3.11.14-150600.3.41.2</li>
<li>libpython3_11-1_0-3.11.14-150600.3.41.2</li>
<li>libpython3_11-1_0-debuginfo-3.11.14-150600.3.41.2</li>
</ul>
</li>
<li>
Python 3 Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>python311-tk-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-tools-3.11.14-150600.3.41.2</li>
<li>python311-core-debugsource-3.11.14-150600.3.41.2</li>
<li>python311-curses-3.11.14-150600.3.41.2</li>
<li>python311-debugsource-3.11.14-150600.3.41.2</li>
<li>python311-tk-3.11.14-150600.3.41.2</li>
<li>python311-dbm-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-devel-3.11.14-150600.3.41.2</li>
<li>python311-3.11.14-150600.3.41.2</li>
<li>python311-idle-3.11.14-150600.3.41.2</li>
<li>python311-curses-debuginfo-3.11.14-150600.3.41.2</li>
<li>python311-dbm-3.11.14-150600.3.41.2</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-12084.html">https://www.suse.com/security/cve/CVE-2025-12084.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-13836.html">https://www.suse.com/security/cve/CVE-2025-13836.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-13837.html">https://www.suse.com/security/cve/CVE-2025-13837.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254400">https://bugzilla.suse.com/show_bug.cgi?id=1254400</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254401">https://bugzilla.suse.com/show_bug.cgi?id=1254401</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1254997">https://bugzilla.suse.com/show_bug.cgi?id=1254997</a>
</li>
</ul>
</div>