<div class="container">
<h1>Security update for libxml2</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:20564-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-08-21T08:20:56Z</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=1244554">bsc#1244554</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1244555">bsc#1244555</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1244557">bsc#1244557</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1244580">bsc#1244580</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1244700">bsc#1244700</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1246296">bsc#1246296</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-2025-49794.html">CVE-2025-49794</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-49795.html">CVE-2025-49795</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-49796.html">CVE-2025-49796</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-6021.html">CVE-2025-6021</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-6170.html">CVE-2025-6170</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-7425.html">CVE-2025-7425</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-2025-49794</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-49794</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-2025-49794</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-49795</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-49795</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-49795</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-49796</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-2025-49796</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">9.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-6021</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.7</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-6021</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-6021</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-6170</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:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-6170</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:N/UI:R/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-6170</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">2.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-6170</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">2.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-7425</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.3</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-7425</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-7425</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:H</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Micro 6.0</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves six vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for libxml2 fixes the following issues:</p>
<ul>
<li>CVE-2025-6021: Integer Overflow in xmlBuildQName() Leads to Stack Buffer Overflow in libxml2 [bsc#1244580]</li>
<li>CVE-2025-6170: stack buffer overflow may lead to a crash [bsc#1244700]</li>
<li>CVE-2025-7425: Heap Use-After-Free in libxslt caused by atype corruption in xmlAttrPtr [bsc#1246296]</li>
<li>CVE-2025-49794: heap use after free (UAF) can lead to Denial of service (DoS) [bsc#1244554]</li>
<li>CVE-2025-49795: null pointer dereference may lead to Denial of service (DoS) [bsc#1244555]</li>
<li>CVE-2025-49796: type confusion may lead to Denial of service (DoS) [bsc#1244557]</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 Micro 6.0
<br/>
<code>zypper in -t patch SUSE-SLE-Micro-6.0-429=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Micro 6.0 (aarch64 s390x x86_64)
<ul>
<li>libxml2-tools-2.11.6-10.1</li>
<li>libxml2-2-debuginfo-2.11.6-10.1</li>
<li>libxml2-2-2.11.6-10.1</li>
<li>libxml2-debugsource-2.11.6-10.1</li>
<li>libxml2-tools-debuginfo-2.11.6-10.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-49794.html">https://www.suse.com/security/cve/CVE-2025-49794.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-49795.html">https://www.suse.com/security/cve/CVE-2025-49795.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-49796.html">https://www.suse.com/security/cve/CVE-2025-49796.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-6021.html">https://www.suse.com/security/cve/CVE-2025-6021.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-6170.html">https://www.suse.com/security/cve/CVE-2025-6170.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-7425.html">https://www.suse.com/security/cve/CVE-2025-7425.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1244554">https://bugzilla.suse.com/show_bug.cgi?id=1244554</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1244555">https://bugzilla.suse.com/show_bug.cgi?id=1244555</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1244557">https://bugzilla.suse.com/show_bug.cgi?id=1244557</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1244580">https://bugzilla.suse.com/show_bug.cgi?id=1244580</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1244700">https://bugzilla.suse.com/show_bug.cgi?id=1244700</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1246296">https://bugzilla.suse.com/show_bug.cgi?id=1246296</a>
</li>
</ul>
</div>