<div class="container">
<h1>Security update for postgresql18</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:20921-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-03-20T14:50:43Z</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=1258008">bsc#1258008</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258009">bsc#1258009</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258010">bsc#1258010</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258011">bsc#1258011</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258012">bsc#1258012</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258754">bsc#1258754</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-2026-2003.html">CVE-2026-2003</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-2004.html">CVE-2026-2004</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-2005.html">CVE-2026-2005</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-2006.html">CVE-2026-2006</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-2007.html">CVE-2026-2007</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-2026-2003</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:L/UI:N/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-2003</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:L/UI:N/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-2004</span>
<span class="cvss-source">
(
SUSE
):
</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-2026-2004</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-2026-2005</span>
<span class="cvss-source">
(
SUSE
):
</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-2026-2005</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-2026-2006</span>
<span class="cvss-source">
(
SUSE
):
</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-2026-2006</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-2026-2007</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-2007</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.2</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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 - BCI 16.0</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves five vulnerabilities and has one fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for postgresql18 fixes the following issues:</p>
<ul>
<li>Update to version 18.3. (bsc#1258754)</li>
<li>CVE-2026-2003: Guard against unexpected dimensions of oidvector/int2vector (bsc#1258008)</li>
<li>CVE-2026-2004: Harden selectivity estimators against being attached to operators that accept unexpected data types. (bsc#1258009)</li>
<li>CVE-2026-2005: Fix buffer overrun in contrib/pgcrypto's PGP decryption functions. (bsc#1258010)</li>
<li>CVE-2026-2006: Fix inadequate validation of multibyte character lengths. (bsc#1258011)</li>
<li>CVE-2026-2007: Harden contrib/pg_trgm against changes in string lowercasing behavior. (bsc#1258012)</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 - BCI 16.0
<br/>
<code>zypper in -t patch SUSE-SLES-16.0-422=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server - BCI 16.0 (aarch64 ppc64le s390x x86_64)
<ul>
<li>postgresql18-server-18.3-160000.1.1</li>
<li>postgresql18-debuginfo-18.3-160000.1.1</li>
<li>libpq5-debuginfo-18.3-160000.1.1</li>
<li>postgresql18-server-debuginfo-18.3-160000.1.1</li>
<li>postgresql18-server-devel-18.3-160000.1.1</li>
<li>postgresql18-plperl-18.3-160000.1.1</li>
<li>postgresql18-18.3-160000.1.1</li>
<li>postgresql18-plpython-debuginfo-18.3-160000.1.1</li>
<li>postgresql18-contrib-18.3-160000.1.1</li>
<li>postgresql18-contrib-debuginfo-18.3-160000.1.1</li>
<li>libecpg6-debuginfo-18.3-160000.1.1</li>
<li>libecpg6-18.3-160000.1.1</li>
<li>postgresql18-devel-18.3-160000.1.1</li>
<li>postgresql18-pltcl-18.3-160000.1.1</li>
<li>postgresql18-debugsource-18.3-160000.1.1</li>
<li>postgresql18-devel-debuginfo-18.3-160000.1.1</li>
<li>postgresql18-pltcl-debuginfo-18.3-160000.1.1</li>
<li>libpq5-18.3-160000.1.1</li>
<li>postgresql18-plpython-18.3-160000.1.1</li>
<li>postgresql18-plperl-debuginfo-18.3-160000.1.1</li>
<li>postgresql18-server-devel-debuginfo-18.3-160000.1.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server - BCI 16.0 (noarch)
<ul>
<li>postgresql18-docs-18.3-160000.1.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-2003.html">https://www.suse.com/security/cve/CVE-2026-2003.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-2004.html">https://www.suse.com/security/cve/CVE-2026-2004.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-2005.html">https://www.suse.com/security/cve/CVE-2026-2005.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-2006.html">https://www.suse.com/security/cve/CVE-2026-2006.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-2007.html">https://www.suse.com/security/cve/CVE-2026-2007.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258008">https://bugzilla.suse.com/show_bug.cgi?id=1258008</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258009">https://bugzilla.suse.com/show_bug.cgi?id=1258009</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258010">https://bugzilla.suse.com/show_bug.cgi?id=1258010</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258011">https://bugzilla.suse.com/show_bug.cgi?id=1258011</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258012">https://bugzilla.suse.com/show_bug.cgi?id=1258012</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1258754">https://bugzilla.suse.com/show_bug.cgi?id=1258754</a>
</li>
</ul>
</div>