<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>