<div class="container">
<h1>Security update for python39</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:1818-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-05-12T07:58:54Z</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=1258364">bsc#1258364</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259989">bsc#1259989</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261969">bsc#1261969</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261970">bsc#1261970</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262098">bsc#1262098</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262319">bsc#1262319</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262654">bsc#1262654</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-2026-1502.html">CVE-2026-1502</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-3446.html">CVE-2026-3446</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-3479.html">CVE-2026-3479</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-4786.html">CVE-2026-4786</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-6019.html">CVE-2026-6019</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-6100.html">CVE-2026-6100</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-2026-1502</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-1502</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.9</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-1502</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:H/VA:N/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-2026-3446</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/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-2026-3446</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-3446</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.0</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/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-2026-3479</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">2.0</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-3479</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">3.3</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-3479</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">0.0</span>
<span class="cvss-vector">CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/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-2026-4786</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/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-2026-4786</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-4786</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/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-2026-6019</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">2.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/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-2026-6019</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">3.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-6019</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">2.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:L/VA:N/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-2026-6100</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">9.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/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-2026-6100</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-6100</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/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>
</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">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 for SAP Applications 15 SP5</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves six vulnerabilities and has one security fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for python39 fixes the following issues:</p>
<p>Security issues fixed:</p>
<ul>
<li>CVE-2026-1502: HTTP client proxy tunnel headers not validated for CR/LF (bsc#1261969).</li>
<li>CVE-2026-3446: base64 decoding stops at first padded quad by default and ignores other information that could be
processed (bsc#1261970).</li>
<li>CVE-2026-3479: improper resource argument validation in <code>pkgutil.get_data()</code> can lead to path traversal (bsc#1259989).</li>
<li>CVE-2026-4786: URLs prefixed with <code>%action</code> can pass the dash-prefix safety check and allow for command injection
(bsc#1262319).</li>
<li>CVE-2026-6019: <code>BaseCookie.js_output()</code> does not neutralize characters in cookie values embedded in JS (bsc#1262654).</li>
<li>CVE-2026-6100: use-after-free in <code>lzma.LZMADecompressor</code>, <code>bz2.BZ2Decompressor</code>, and <code>gzip.GzipFile</code> when process is
under memory pressure(bsc#1262098).</li>
</ul>
<p>Other updates and bugfixes:</p>
<ul>
<li>Rewrite structure of Python interpreter packages. <code>python3*</code> symbols should be now provided by real python3 packages
and its subpackages instead of the virtual provides (bsc#1258364).</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 15 SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-1818=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.3
<br/>
<code>zypper in -t patch SUSE-2026-1818=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-2026-1818=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server for SAP Applications 15 SP5 (ppc64le x86_64)
<ul>
<li>python39-dbm-3.9.25-150300.4.106.1</li>
<li>python39-base-3.9.25-150300.4.106.1</li>
<li>python39-3.9.25-150300.4.106.1</li>
<li>libpython3_9-1_0-3.9.25-150300.4.106.1</li>
<li>python39-curses-3.9.25-150300.4.106.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64 i586)
<ul>
<li>python39-dbm-3.9.25-150300.4.106.1</li>
<li>python39-testsuite-3.9.25-150300.4.106.1</li>
<li>python39-base-3.9.25-150300.4.106.1</li>
<li>python39-tools-3.9.25-150300.4.106.1</li>
<li>python39-curses-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-core-debugsource-3.9.25-150300.4.106.1</li>
<li>python39-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-testsuite-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-tk-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-doc-3.9.25-150300.4.106.1</li>
<li>python39-debugsource-3.9.25-150300.4.106.1</li>
<li>python39-doc-devhelp-3.9.25-150300.4.106.1</li>
<li>python39-idle-3.9.25-150300.4.106.1</li>
<li>python39-dbm-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-base-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-3.9.25-150300.4.106.1</li>
<li>python39-devel-3.9.25-150300.4.106.1</li>
<li>libpython3_9-1_0-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-curses-3.9.25-150300.4.106.1</li>
<li>libpython3_9-1_0-3.9.25-150300.4.106.1</li>
<li>python39-tk-3.9.25-150300.4.106.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (x86_64)
<ul>
<li>libpython3_9-1_0-32bit-3.9.25-150300.4.106.1</li>
<li>python39-32bit-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-32bit-3.9.25-150300.4.106.1</li>
<li>python39-base-32bit-3.9.25-150300.4.106.1</li>
<li>libpython3_9-1_0-32bit-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-base-32bit-debuginfo-3.9.25-150300.4.106.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.3 (aarch64_ilp32)
<ul>
<li>python39-64bit-3.9.25-150300.4.106.1</li>
<li>libpython3_9-1_0-64bit-debuginfo-3.9.25-150300.4.106.1</li>
<li>libpython3_9-1_0-64bit-3.9.25-150300.4.106.1</li>
<li>python39-base-64bit-debuginfo-3.9.25-150300.4.106.1</li>
<li>python39-base-64bit-3.9.25-150300.4.106.1</li>
<li>python39-64bit-debuginfo-3.9.25-150300.4.106.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 15 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>python39-dbm-3.9.25-150300.4.106.1</li>
<li>python39-base-3.9.25-150300.4.106.1</li>
<li>python39-3.9.25-150300.4.106.1</li>
<li>python39-curses-3.9.25-150300.4.106.1</li>
<li>libpython3_9-1_0-3.9.25-150300.4.106.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-1502.html">https://www.suse.com/security/cve/CVE-2026-1502.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-3446.html">https://www.suse.com/security/cve/CVE-2026-3446.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-3479.html">https://www.suse.com/security/cve/CVE-2026-3479.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-4786.html">https://www.suse.com/security/cve/CVE-2026-4786.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-6019.html">https://www.suse.com/security/cve/CVE-2026-6019.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-6100.html">https://www.suse.com/security/cve/CVE-2026-6100.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258364">https://bugzilla.suse.com/show_bug.cgi?id=1258364</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1259989">https://bugzilla.suse.com/show_bug.cgi?id=1259989</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261969">https://bugzilla.suse.com/show_bug.cgi?id=1261969</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261970">https://bugzilla.suse.com/show_bug.cgi?id=1261970</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262098">https://bugzilla.suse.com/show_bug.cgi?id=1262098</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262319">https://bugzilla.suse.com/show_bug.cgi?id=1262319</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262654">https://bugzilla.suse.com/show_bug.cgi?id=1262654</a>
</li>
</ul>
</div>