<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-2026:1332-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-04-14T17:15:09Z</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=1260922">bsc#1260922</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260923">bsc#1260923</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260924">bsc#1260924</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260925">bsc#1260925</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260926">bsc#1260926</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-2026-33999.html">CVE-2026-33999</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34000.html">CVE-2026-34000</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34001.html">CVE-2026-34001</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34002.html">CVE-2026-34002</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-34003.html">CVE-2026-34003</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-2026-33999</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-33999</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34000</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34000</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34001</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-2026-34001</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-2026-34002</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34002</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34003</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-34003</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Enterprise High Performance Computing 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5 LTSS</li>
<li class="list-group-item">SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 12 SP5</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves five vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for xorg-x11-server fixes the following issues:</p>
<ul>
<li>CVE-2026-33999: XKB integer underflow in XkbSetCompatMap() (bsc#1260922).</li>
<li>CVE-2026-34000: XKB out-of-bounds read in CheckSetGeom() (bsc#1260923).</li>
<li>CVE-2026-34001: XSYNC use-after-free in miSyncTriggerFence() (bsc#1260924).</li>
<li>CVE-2026-34002: XKB out-of-bounds read in CheckModifierMap() (bsc#1260925).</li>
<li>CVE-2026-34003: XKB buffer overflow in CheckKeyTypes() (bsc#1260926).</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 Enterprise Server 12 SP5 LTSS
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-1332=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1332=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>xorg-x11-server-extra-1.19.6-10.99.1</li>
<li>xorg-x11-server-debuginfo-1.19.6-10.99.1</li>
<li>xorg-x11-server-1.19.6-10.99.1</li>
<li>xorg-x11-server-extra-debuginfo-1.19.6-10.99.1</li>
<li>xorg-x11-server-debugsource-1.19.6-10.99.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
<ul>
<li>xorg-x11-server-extra-1.19.6-10.99.1</li>
<li>xorg-x11-server-debuginfo-1.19.6-10.99.1</li>
<li>xorg-x11-server-1.19.6-10.99.1</li>
<li>xorg-x11-server-extra-debuginfo-1.19.6-10.99.1</li>
<li>xorg-x11-server-debugsource-1.19.6-10.99.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-33999.html">https://www.suse.com/security/cve/CVE-2026-33999.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34000.html">https://www.suse.com/security/cve/CVE-2026-34000.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34001.html">https://www.suse.com/security/cve/CVE-2026-34001.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34002.html">https://www.suse.com/security/cve/CVE-2026-34002.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-34003.html">https://www.suse.com/security/cve/CVE-2026-34003.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260922">https://bugzilla.suse.com/show_bug.cgi?id=1260922</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260923">https://bugzilla.suse.com/show_bug.cgi?id=1260923</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260924">https://bugzilla.suse.com/show_bug.cgi?id=1260924</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260925">https://bugzilla.suse.com/show_bug.cgi?id=1260925</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1260926">https://bugzilla.suse.com/show_bug.cgi?id=1260926</a>
</li>
</ul>
</div>