<div class="container">
<h1>Security update for postfix</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2023:4981-1</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=1218304">bsc#1218304</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218314">bsc#1218314</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-2023-51764.html">CVE-2023-51764</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-2023-51764</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:L/A:N</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">Basesystem Module 15-SP5</li>
<li class="list-group-item">Legacy Module 15-SP5</li>
<li class="list-group-item">openSUSE Leap 15.5</li>
<li class="list-group-item">Server Applications Module 15-SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP5</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 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP5</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 one vulnerability and has one security fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for postfix fixes the following issues:</p>
<ul>
<li>CVE-2023-51764: Fixed new SMTP smuggling attack (bsc#1218304).</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 15.5
<br/>
<code>zypper in -t patch SUSE-2023-4981=1 openSUSE-SLE-15.5-2023-4981=1</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP5-2023-4981=1</code>
</li>
<li class="list-group-item">
Legacy Module 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Legacy-15-SP5-2023-4981=1</code>
</li>
<li class="list-group-item">
Server Applications Module 15-SP5
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP5-2023-4981=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)
<ul>
<li>postfix-bdb-debugsource-3.7.3-150500.3.11.1</li>
<li>postfix-debugsource-3.7.3-150500.3.11.1</li>
<li>postfix-3.7.3-150500.3.11.1</li>
<li>postfix-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-ldap-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-postgresql-3.7.3-150500.3.11.1</li>
<li>postfix-bdb-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-ldap-3.7.3-150500.3.11.1</li>
<li>postfix-postgresql-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-bdb-lmdb-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-bdb-3.7.3-150500.3.11.1</li>
<li>postfix-bdb-lmdb-3.7.3-150500.3.11.1</li>
<li>postfix-devel-3.7.3-150500.3.11.1</li>
<li>postfix-mysql-3.7.3-150500.3.11.1</li>
<li>postfix-mysql-debuginfo-3.7.3-150500.3.11.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.5 (noarch)
<ul>
<li>postfix-doc-3.7.3-150500.3.11.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>postfix-debugsource-3.7.3-150500.3.11.1</li>
<li>postfix-3.7.3-150500.3.11.1</li>
<li>postfix-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-ldap-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-ldap-3.7.3-150500.3.11.1</li>
<li>postfix-devel-3.7.3-150500.3.11.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP5 (noarch)
<ul>
<li>postfix-doc-3.7.3-150500.3.11.1</li>
</ul>
</li>
<li>
Legacy Module 15-SP5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>postfix-bdb-debugsource-3.7.3-150500.3.11.1</li>
<li>postfix-bdb-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-bdb-lmdb-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-bdb-3.7.3-150500.3.11.1</li>
<li>postfix-bdb-lmdb-3.7.3-150500.3.11.1</li>
</ul>
</li>
<li>
Server Applications Module 15-SP5 (aarch64 ppc64le s390x x86_64)
<ul>
<li>postfix-debuginfo-3.7.3-150500.3.11.1</li>
<li>postfix-debugsource-3.7.3-150500.3.11.1</li>
<li>postfix-mysql-3.7.3-150500.3.11.1</li>
<li>postfix-mysql-debuginfo-3.7.3-150500.3.11.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2023-51764.html">https://www.suse.com/security/cve/CVE-2023-51764.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218304">https://bugzilla.suse.com/show_bug.cgi?id=1218304</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1218314">https://bugzilla.suse.com/show_bug.cgi?id=1218314</a>
</li>
</ul>
</div>