<div class="container">
<h1>Security update for xorg-x11-server</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:0730-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-02-26T14:29:29Z</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=1237427">bsc#1237427</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237429">bsc#1237429</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237430">bsc#1237430</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237431">bsc#1237431</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237432">bsc#1237432</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237433">bsc#1237433</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237434">bsc#1237434</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237435">bsc#1237435</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-2025-26594.html">CVE-2025-26594</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-26595.html">CVE-2025-26595</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-26596.html">CVE-2025-26596</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-26597.html">CVE-2025-26597</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-26598.html">CVE-2025-26598</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-26599.html">CVE-2025-26599</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-26600.html">CVE-2025-26600</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-26601.html">CVE-2025-26601</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-2025-26594</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:L/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26594</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:L/UI:N/S:C/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26594</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26595</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26595</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26595</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26596</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26596</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26596</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26597</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26597</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.5</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26597</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26598</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26598</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26598</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26599</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.8</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26599</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26599</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26600</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:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26600</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26600</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26601</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:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26601</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">7.0</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-26601</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">7.8</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/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-SP6</li>
<li class="list-group-item">Development Tools Module 15-SP6</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 Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP6</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves eight vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for xorg-x11-server fixes the following issues:</p>
<ul>
<li>CVE-2025-26594: Use-after-free of the root cursor (bsc#1237427). </li>
<li>CVE-2025-26595: Buffer overflow in XkbVModMaskText() (bsc#1237429). </li>
<li>CVE-2025-26596: Heap overflow in XkbWriteKeySyms() (bsc#1237430).</li>
<li>CVE-2025-26597: Buffer overflow in XkbChangeTypesOfKey() (bsc#1237431).</li>
<li>CVE-2025-26598: Out-of-bounds write in CreatePointerBarrierClient() (bsc#1237432).</li>
<li>CVE-2025-26599: Use of uninitialized pointer in compRedirectWindow() (bsc#1237433).</li>
<li>CVE-2025-26600: Use-after-free in PlayReleasedEvents() (bsc#1237434).</li>
<li>CVE-2025-26601: Use-after-free in SyncInitTrigger() (bsc#1237435).</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-2025-730=1 openSUSE-SLE-15.6-2025-730=1</code>
</li>
<li class="list-group-item">
Basesystem Module 15-SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP6-2025-730=1</code>
</li>
<li class="list-group-item">
Development Tools Module 15-SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Development-Tools-15-SP6-2025-730=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64 i586)
<ul>
<li>xorg-x11-server-extra-debuginfo-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-sdk-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-source-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-Xvfb-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-extra-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-debugsource-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-Xvfb-debuginfo-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-debuginfo-21.1.11-150600.5.6.1</li>
</ul>
</li>
<li>
Basesystem Module 15-SP6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>xorg-x11-server-extra-debuginfo-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-Xvfb-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-extra-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-debugsource-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-Xvfb-debuginfo-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-debuginfo-21.1.11-150600.5.6.1</li>
</ul>
</li>
<li>
Development Tools Module 15-SP6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>xorg-x11-server-debuginfo-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-debugsource-21.1.11-150600.5.6.1</li>
<li>xorg-x11-server-sdk-21.1.11-150600.5.6.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-26594.html">https://www.suse.com/security/cve/CVE-2025-26594.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-26595.html">https://www.suse.com/security/cve/CVE-2025-26595.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-26596.html">https://www.suse.com/security/cve/CVE-2025-26596.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-26597.html">https://www.suse.com/security/cve/CVE-2025-26597.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-26598.html">https://www.suse.com/security/cve/CVE-2025-26598.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-26599.html">https://www.suse.com/security/cve/CVE-2025-26599.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-26600.html">https://www.suse.com/security/cve/CVE-2025-26600.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-26601.html">https://www.suse.com/security/cve/CVE-2025-26601.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237427">https://bugzilla.suse.com/show_bug.cgi?id=1237427</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237429">https://bugzilla.suse.com/show_bug.cgi?id=1237429</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237430">https://bugzilla.suse.com/show_bug.cgi?id=1237430</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237431">https://bugzilla.suse.com/show_bug.cgi?id=1237431</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237432">https://bugzilla.suse.com/show_bug.cgi?id=1237432</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237433">https://bugzilla.suse.com/show_bug.cgi?id=1237433</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237434">https://bugzilla.suse.com/show_bug.cgi?id=1237434</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1237435">https://bugzilla.suse.com/show_bug.cgi?id=1237435</a>
</li>
</ul>
</div>