<div class="container">
<h1>Security update for glibc</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:2440-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-06-18T07:08:20Z</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=1261206">bsc#1261206</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262464">bsc#1262464</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262465">bsc#1262465</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-2026-4046.html">CVE-2026-4046</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-5450.html">CVE-2026-5450</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-5928.html">CVE-2026-5928</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-2026-4046</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-2026-4046</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-2026-4046</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-2026-5450</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.1</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:N/PR:N/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-2026-5450</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-5450</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-5928</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.9</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:N/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-2026-5928</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.7</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-5928</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>
</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 three vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for glibc fixes the following issues:</p>
<ul>
<li>CVE-2026-5928: libio: Fix ungetwc operating on byte stream (bsc#1262464, BZ #33998)</li>
<li>CVE-2026-5450: stdio-common: Fix buffer overflow in scanf %mc (bsc#1262465, BZ #34008)</li>
<li>CVE-2026-4046: Use pending character state in IBM1390, IBM1399 character sets (bsc#1261206, BZ #33980)</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-2026-2440=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-2026-2440=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
<ul>
<li>glibc-i18ndata-2.22-114.46.1</li>
<li>glibc-info-2.22-114.46.1</li>
<li>glibc-html-2.22-114.46.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>glibc-devel-debuginfo-2.22-114.46.1</li>
<li>glibc-profile-2.22-114.46.1</li>
<li>nscd-debuginfo-2.22-114.46.1</li>
<li>glibc-devel-static-2.22-114.46.1</li>
<li>glibc-2.22-114.46.1</li>
<li>glibc-devel-2.22-114.46.1</li>
<li>nscd-2.22-114.46.1</li>
<li>glibc-locale-2.22-114.46.1</li>
<li>glibc-debuginfo-2.22-114.46.1</li>
<li>glibc-locale-debuginfo-2.22-114.46.1</li>
<li>glibc-debugsource-2.22-114.46.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (s390x x86_64)
<ul>
<li>glibc-locale-debuginfo-32bit-2.22-114.46.1</li>
<li>glibc-locale-32bit-2.22-114.46.1</li>
<li>glibc-devel-32bit-2.22-114.46.1</li>
<li>glibc-debuginfo-32bit-2.22-114.46.1</li>
<li>glibc-profile-32bit-2.22-114.46.1</li>
<li>glibc-devel-debuginfo-32bit-2.22-114.46.1</li>
<li>glibc-32bit-2.22-114.46.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
<ul>
<li>glibc-locale-2.22-114.46.1</li>
<li>glibc-devel-debuginfo-2.22-114.46.1</li>
<li>glibc-locale-debuginfo-32bit-2.22-114.46.1</li>
<li>glibc-profile-2.22-114.46.1</li>
<li>nscd-debuginfo-2.22-114.46.1</li>
<li>glibc-locale-32bit-2.22-114.46.1</li>
<li>glibc-devel-32bit-2.22-114.46.1</li>
<li>glibc-devel-static-2.22-114.46.1</li>
<li>glibc-2.22-114.46.1</li>
<li>glibc-devel-2.22-114.46.1</li>
<li>glibc-debuginfo-32bit-2.22-114.46.1</li>
<li>nscd-2.22-114.46.1</li>
<li>glibc-profile-32bit-2.22-114.46.1</li>
<li>glibc-devel-debuginfo-32bit-2.22-114.46.1</li>
<li>glibc-debuginfo-2.22-114.46.1</li>
<li>glibc-locale-debuginfo-2.22-114.46.1</li>
<li>glibc-debugsource-2.22-114.46.1</li>
<li>glibc-32bit-2.22-114.46.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
<ul>
<li>glibc-i18ndata-2.22-114.46.1</li>
<li>glibc-info-2.22-114.46.1</li>
<li>glibc-html-2.22-114.46.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-4046.html">https://www.suse.com/security/cve/CVE-2026-4046.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-5450.html">https://www.suse.com/security/cve/CVE-2026-5450.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-5928.html">https://www.suse.com/security/cve/CVE-2026-5928.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261206">https://bugzilla.suse.com/show_bug.cgi?id=1261206</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262464">https://bugzilla.suse.com/show_bug.cgi?id=1262464</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262465">https://bugzilla.suse.com/show_bug.cgi?id=1262465</a>
</li>
</ul>
</div>