<div class="container">
    <h1>Security update for zlib</h1>

    <table class="table table-striped table-bordered">
        <tbody>
        <tr>
            <th>Announcement ID:</th>
            <td>SUSE-SU-2023:4217-1</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=1216378">bsc#1216378</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-2023-45853.html">CVE-2023-45853</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-2023-45853</span>
                                <span class="cvss-source">
                                    (
                                    
                                        SUSE
                                    
                                    ):
                                </span>
                                <span class="cvss-score">5.3</span>
                                <span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L</span>
                            </li>
                        
                            <li class="list-group-item">
                                <span class="cvss-reference">CVE-2023-45853</span>
                                <span class="cvss-source">
                                    (
                                    
                                        NVD
                                    
                                    ):
                                </span>
                                <span class="cvss-score">9.8</span>
                                <span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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-SP4</li>
                    
                        <li class="list-group-item">Development Tools Module 15-SP4</li>
                    
                        <li class="list-group-item">openSUSE Leap 15.4</li>
                    
                        <li class="list-group-item">openSUSE Leap Micro 5.3</li>
                    
                        <li class="list-group-item">openSUSE Leap Micro 5.4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise High Performance Computing 15 SP4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro 5.1</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro 5.2</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro 5.3</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro 5.4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro for Rancher 5.2</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro for Rancher 5.3</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Micro for Rancher 5.4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server 15 SP4</li>
                    
                        <li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP4</li>
                    
                        <li class="list-group-item">SUSE Manager Proxy 4.2</li>
                    
                        <li class="list-group-item">SUSE Manager Proxy 4.3</li>
                    
                        <li class="list-group-item">SUSE Manager Retail Branch Server 4.2</li>
                    
                        <li class="list-group-item">SUSE Manager Retail Branch Server 4.3</li>
                    
                        <li class="list-group-item">SUSE Manager Server 4.2</li>
                    
                        <li class="list-group-item">SUSE Manager Server 4.3</li>
                    
                </ul>
            </td>
        </tr>
        </tbody>
    </table>

    <p>An update that solves one vulnerability can now be installed.</p>

    


    
        <h2>Description:</h2>
    
    <p>This update for zlib fixes the following issues:</p>
<ul>
<li>CVE-2023-45853: Fixed an integer overflow that would lead to a
  buffer overflow in the minizip subcomponent (bsc#1216378).</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 Micro 5.3
                
                    
                        <br/>
                        <code>zypper in -t patch openSUSE-Leap-Micro-5.3-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                openSUSE Leap Micro 5.4
                
                    
                        <br/>
                        <code>zypper in -t patch openSUSE-Leap-Micro-5.4-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                openSUSE Leap 15.4
                
                    
                        <br/>
                        <code>zypper in -t patch openSUSE-SLE-15.4-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Micro for Rancher 5.3
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Micro-5.3-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Micro 5.3
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Micro-5.3-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Micro for Rancher 5.4
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Micro-5.4-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Micro 5.4
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Micro-5.4-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                Basesystem Module 15-SP4
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP4-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                Development Tools Module 15-SP4
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP4-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Manager Proxy 4.2
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.2-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Manager Retail Branch Server 4.2
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.2-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Manager Server 4.2
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SLE-Product-SUSE-Manager-Server-4.2-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Micro 5.1
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SUSE-MicroOS-5.1-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Micro 5.2
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-4217=1</code>
                    
                    
                
            </li>
        
            <li class="list-group-item">
                SUSE Linux Enterprise Micro for Rancher 5.2
                
                    
                        <br/>
                        <code>zypper in -t patch SUSE-SUSE-MicroOS-5.2-2023-4217=1</code>
                    
                    
                
            </li>
        
    </ul>

    <h2>Package List:</h2>
    <ul>
        
            
                <li>
                    openSUSE Leap Micro 5.3 (aarch64 x86_64)
                    <ul>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    openSUSE Leap Micro 5.4 (aarch64 s390x x86_64)
                    <ul>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
                    <ul>
                        
                            <li>libminizip1-1.2.11-150000.3.48.1</li>
                        
                            <li>minizip-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-static-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libminizip1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    openSUSE Leap 15.4 (x86_64)
                    <ul>
                        
                            <li>libz1-32bit-debuginfo-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-32bit-1.2.11-150000.3.48.1</li>
                        
                            <li>libminizip1-32bit-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-static-32bit-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-32bit-1.2.11-150000.3.48.1</li>
                        
                            <li>libminizip1-32bit-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Micro for Rancher 5.3 (aarch64 s390x x86_64)
                    <ul>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Micro 5.3 (aarch64 s390x x86_64)
                    <ul>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Micro for Rancher 5.4 (aarch64 s390x x86_64)
                    <ul>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Micro 5.4 (aarch64 s390x x86_64)
                    <ul>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    Basesystem Module 15-SP4 (aarch64 ppc64le s390x x86_64)
                    <ul>
                        
                            <li>libminizip1-1.2.11-150000.3.48.1</li>
                        
                            <li>minizip-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-static-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libminizip1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    Basesystem Module 15-SP4 (x86_64)
                    <ul>
                        
                            <li>libz1-32bit-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-32bit-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    Development Tools Module 15-SP4 (x86_64)
                    <ul>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-32bit-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Manager Proxy 4.2 (x86_64)
                    <ul>
                        
                            <li>libz1-32bit-debuginfo-1.2.11-150000.3.48.1</li>
                        
                            <li>libminizip1-1.2.11-150000.3.48.1</li>
                        
                            <li>minizip-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-static-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-32bit-1.2.11-150000.3.48.1</li>
                        
                            <li>libminizip1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Manager Retail Branch Server 4.2 (x86_64)
                    <ul>
                        
                            <li>libz1-32bit-debuginfo-1.2.11-150000.3.48.1</li>
                        
                            <li>libminizip1-1.2.11-150000.3.48.1</li>
                        
                            <li>minizip-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-static-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-32bit-1.2.11-150000.3.48.1</li>
                        
                            <li>libminizip1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Manager Server 4.2 (ppc64le s390x x86_64)
                    <ul>
                        
                            <li>libminizip1-1.2.11-150000.3.48.1</li>
                        
                            <li>minizip-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-static-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libminizip1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
                <li>
                    SUSE Manager Server 4.2 (x86_64)
                    <ul>
                        
                            <li>libz1-32bit-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-32bit-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Micro 5.1 (aarch64 s390x x86_64)
                    <ul>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-devel-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
                    <ul>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
            
                <li>
                    SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
                    <ul>
                        
                            <li>libz1-1.2.11-150000.3.48.1</li>
                        
                            <li>zlib-debugsource-1.2.11-150000.3.48.1</li>
                        
                            <li>libz1-debuginfo-1.2.11-150000.3.48.1</li>
                        
                    </ul>
                </li>
            
        
    </ul>

    
        <h2>References:</h2>
        <ul>
            
                
                    <li>
                        <a href="https://www.suse.com/security/cve/CVE-2023-45853.html">https://www.suse.com/security/cve/CVE-2023-45853.html</a>
                    </li>
                
            
                
                    <li>
                        <a href="https://bugzilla.suse.com/show_bug.cgi?id=1216378">https://bugzilla.suse.com/show_bug.cgi?id=1216378</a>
                    </li>
                
            
        </ul>
    
</div>