<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-2026:20178-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-01-29T16:16:14Z</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=1236282">bsc#1236282</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256436">bsc#1256436</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256766">bsc#1256766</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256822">bsc#1256822</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1257005">bsc#1257005</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-2025-0395.html">CVE-2025-0395</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-15281.html">CVE-2025-15281</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0861.html">CVE-2026-0861</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0915.html">CVE-2026-0915</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-2025-0395</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">2.0</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-0395</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">3.3</span>
<span class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-0395</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-2025-15281</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:N/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-15281</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:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-15281</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-2026-0861</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">8.5</span>
<span class="cvss-vector">CVSS:4.0/AV:L/AC:L/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-2026-0861</span>
<span class="cvss-source">
(
SUSE
):
</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-2026-0861</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.4</span>
<span class="cvss-vector">CVSS:3.1/AV:L/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-2026-0915</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.3</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-0915</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-0915</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:H/I:N/A:N</span>
</li>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">SUSE Linux Micro 6.2</li>
<li class="list-group-item">SUSE Linux Micro Extras 6.2</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves four vulnerabilities and has one fix can now be installed.</p>
<h2>Description:</h2>
<p>This update for glibc fixes the following issues:</p>
<p>Security fixes:</p>
<ul>
<li>CVE-2025-0395: Fixed buffer overflow in the assert() function (bsc#1236282).</li>
<li>CVE-2026-0861: Fixed inadequate size check in the memalign suite may result in an integer overflow (bsc#1256766).</li>
<li>CVE-2026-0915: Fixed uninitialized stack buffer used as DNS query name when net==0 in _nss_dns_getnetbyaddr_r (bsc#1256822).</li>
<li>CVE-2025-15281: Fixed uninitialized memory may cause the process abort (bsc#1257005).</li>
</ul>
<p>Other fixes:</p>
<ul>
<li>NPTL: Optimize trylock for high cache contention workloads (bsc#1256436)</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 6.2
<br/>
<code>zypper in -t patch SUSE-SL-Micro-6.2-218=1</code>
</li>
<li class="list-group-item">
SUSE Linux Micro Extras 6.2
<br/>
<code>zypper in -t patch SUSE-SL-Micro-6.2-218=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Micro 6.2 (aarch64 ppc64le s390x x86_64)
<ul>
<li>glibc-locale-base-2.40-160000.3.1</li>
<li>glibc-2.40-160000.3.1</li>
<li>glibc-debugsource-2.40-160000.3.1</li>
<li>glibc-debuginfo-2.40-160000.3.1</li>
<li>glibc-devel-2.40-160000.3.1</li>
<li>glibc-locale-2.40-160000.3.1</li>
<li>glibc-devel-debuginfo-2.40-160000.3.1</li>
</ul>
</li>
<li>
SUSE Linux Micro 6.2 (aarch64 x86_64)
<ul>
<li>glibc-gconv-modules-extra-debuginfo-2.40-160000.3.1</li>
<li>glibc-gconv-modules-extra-2.40-160000.3.1</li>
</ul>
</li>
<li>
SUSE Linux Micro Extras 6.2 (aarch64 ppc64le s390x x86_64)
<ul>
<li>glibc-gconv-modules-extra-debuginfo-2.40-160000.3.1</li>
<li>glibc-debuginfo-2.40-160000.3.1</li>
<li>glibc-gconv-modules-extra-2.40-160000.3.1</li>
<li>glibc-debugsource-2.40-160000.3.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-0395.html">https://www.suse.com/security/cve/CVE-2025-0395.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-15281.html">https://www.suse.com/security/cve/CVE-2025-15281.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0861.html">https://www.suse.com/security/cve/CVE-2026-0861.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0915.html">https://www.suse.com/security/cve/CVE-2026-0915.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1236282">https://bugzilla.suse.com/show_bug.cgi?id=1236282</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256436">https://bugzilla.suse.com/show_bug.cgi?id=1256436</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256766">https://bugzilla.suse.com/show_bug.cgi?id=1256766</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256822">https://bugzilla.suse.com/show_bug.cgi?id=1256822</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1257005">https://bugzilla.suse.com/show_bug.cgi?id=1257005</a>
</li>
</ul>
</div>