<div class="container">
<h1>Security update for libssh</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:02229-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-07-04T16:02:38Z</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=1245309">bsc#1245309</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245310">bsc#1245310</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245311">bsc#1245311</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245314">bsc#1245314</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-2025-4877.html">CVE-2025-4877</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-4878.html">CVE-2025-4878</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-5318.html">CVE-2025-5318</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-5372.html">CVE-2025-5372</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-2025-4877</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">2.0</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-4877</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-4878</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">2.0</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-4878</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">3.6</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-5318</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-5318</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.4</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-5318</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.4</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-5372</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.6</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-5372</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:L/UI:N/S:U/C:H/I:H/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-5372</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">5.0</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">Basesystem Module 15-SP6</li>
<li class="list-group-item">Basesystem Module 15-SP7</li>
<li class="list-group-item">openSUSE Leap 15.6</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP7</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves four vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for libssh fixes the following issues:</p>
<ul>
<li>CVE-2025-5318: Fixed likely read beyond bounds in sftp server handle management (bsc#1245311).</li>
<li>CVE-2025-4877: Fixed write beyond bounds in binary to base64 conversion functions (bsc#1245309).</li>
<li>CVE-2025-4878: Fixed use of uninitialized variable in privatekey_from_file() (bsc#1245310).</li>
<li>CVE-2025-5372: Fixed cases where ssh_kdf() returns a success code on certain failures (bsc#1245314).</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 15.6
<br/>
<code>zypper in -t patch SUSE-2025-2229=1 openSUSE-SLE-15.6-2025-2229=1</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-2229=1</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2025-2229=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
<ul>
<li>libssh4-0.9.8-150600.11.3.1</li>
<li>libssh-debugsource-0.9.8-150600.11.3.1</li>
<li>libssh-devel-0.9.8-150600.11.3.1</li>
<li>libssh4-debuginfo-0.9.8-150600.11.3.1</li>
<li>libssh-config-0.9.8-150600.11.3.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (x86_64)
<ul>
<li>libssh4-32bit-0.9.8-150600.11.3.1</li>
<li>libssh4-32bit-debuginfo-0.9.8-150600.11.3.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64_ilp32)
<ul>
<li>libssh4-64bit-0.9.8-150600.11.3.1</li>
<li>libssh4-64bit-debuginfo-0.9.8-150600.11.3.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>libssh4-0.9.8-150600.11.3.1</li>
<li>libssh-debugsource-0.9.8-150600.11.3.1</li>
<li>libssh-devel-0.9.8-150600.11.3.1</li>
<li>libssh4-debuginfo-0.9.8-150600.11.3.1</li>
<li>libssh-config-0.9.8-150600.11.3.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP6 (x86_64)
<ul>
<li>libssh4-32bit-0.9.8-150600.11.3.1</li>
<li>libssh4-32bit-debuginfo-0.9.8-150600.11.3.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>
<li>libssh4-0.9.8-150600.11.3.1</li>
<li>libssh-debugsource-0.9.8-150600.11.3.1</li>
<li>libssh-devel-0.9.8-150600.11.3.1</li>
<li>libssh4-debuginfo-0.9.8-150600.11.3.1</li>
<li>libssh-config-0.9.8-150600.11.3.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP7 (x86_64)
<ul>
<li>libssh4-32bit-0.9.8-150600.11.3.1</li>
<li>libssh4-32bit-debuginfo-0.9.8-150600.11.3.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-4877.html">https://www.suse.com/security/cve/CVE-2025-4877.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-4878.html">https://www.suse.com/security/cve/CVE-2025-4878.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-5318.html">https://www.suse.com/security/cve/CVE-2025-5318.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-5372.html">https://www.suse.com/security/cve/CVE-2025-5372.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245309">https://bugzilla.suse.com/show_bug.cgi?id=1245309</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245310">https://bugzilla.suse.com/show_bug.cgi?id=1245310</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245311">https://bugzilla.suse.com/show_bug.cgi?id=1245311</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1245314">https://bugzilla.suse.com/show_bug.cgi?id=1245314</a>
</li>
</ul>
</div>