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# Security update for ruby2.5

Announcement ID: SUSE-SU-2026:3556-1
Release Date: 2026-08-10T17:56:49Z
Rating: important
References:

* bsc#1262441

Cross-References:

* CVE-2026-41316

CVSS scores:

* CVE-2026-41316 ( SUSE ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-41316 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
* CVE-2026-41316 ( NVD ): 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* Basesystem Module 15-SP7
* SUSE Linux Enterprise Desktop 15 SP7
* SUSE Linux Enterprise Real Time 15 SP7
* SUSE Linux Enterprise Server 15 SP7
* SUSE Linux Enterprise Server for SAP Applications 15 SP7

An update that solves one vulnerability can now be installed.

## Description:

This update for ruby2.5 fixes the following issue

* CVE-2026-41316: erb: @_init deserialization guard bypass via def_module /
def_method / def_class (bsc#1262441).

## Patch Instructions:

To install this SUSE update use the SUSE recommended installation methods like
YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:

* Basesystem Module 15-SP7
zypper in -t patch SUSE-SLE-Module-Basesystem-15-SP7-2026-3556=1

## Package List:

* Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
* ruby2.5-2.5.9-150700.24.11.1
* libruby2_5-2_5-debuginfo-2.5.9-150700.24.11.1
* ruby2.5-devel-extra-2.5.9-150700.24.11.1
* ruby2.5-stdlib-debuginfo-2.5.9-150700.24.11.1
* ruby2.5-stdlib-2.5.9-150700.24.11.1
* libruby2_5-2_5-2.5.9-150700.24.11.1
* ruby2.5-debugsource-2.5.9-150700.24.11.1
* ruby2.5-debuginfo-2.5.9-150700.24.11.1
* ruby2.5-devel-2.5.9-150700.24.11.1

## References:

* https://www.suse.com/security/cve/CVE-2026-41316.html
* https://bugzilla.suse.com/show_bug.cgi?id=1262441

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<div class="container">
<h1>Security update for ruby2.5</h1>

<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:3556-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-08-10T17:56:49Z</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=1262441">bsc#1262441</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-2026-41316.html">CVE-2026-41316</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-2026-41316</span>
<span class="cvss-source">
(

SUSE

):
</span>
<span
class="cvss-score">8.1</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>

<li class="list-group-item">
<span
class="cvss-reference">CVE-2026-41316</span>
<span class="cvss-source">
(

NVD

):
</span>
<span
class="cvss-score">8.1</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H</span>
</li>

<li class="list-group-item">
<span
class="cvss-reference">CVE-2026-41316</span>
<span class="cvss-source">
(

NVD

):
</span>
<span
class="cvss-score">8.1</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/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-SP7</li>

<li class="list-group-item">SUSE Linux
Enterprise Desktop 15 SP7</li>

<li class="list-group-item">SUSE Linux
Enterprise Real Time 15 SP7</li>

<li class="list-group-item">SUSE Linux
Enterprise Server 15 SP7</li>

<li class="list-group-item">SUSE Linux
Enterprise Server for SAP Applications 15 SP7</li>

</ul>
</td>
</tr>
</tbody>
</table>

<p>An update that solves one vulnerability can now be
installed.</p>

<h2>Description:</h2>

<p>This update for ruby2.5 fixes the following issue</p>
<ul>
<li>CVE-2026-41316: erb: @_init deserialization guard bypass via
def_module / def_method / def_class (bsc#1262441).</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">
Basesystem Module 15-SP7

<br/>
<code>zypper in -t patch
SUSE-SLE-Module-Basesystem-15-SP7-2026-3556=1</code>

</li>

</ul>

<h2>Package List:</h2>
<ul>

<li>
Basesystem Module 15-SP7 (aarch64 ppc64le s390x x86_64)
<ul>

<li>ruby2.5-2.5.9-150700.24.11.1</li>

<li>libruby2_5-2_5-debuginfo-2.5.9-150700.24.11.1</li>

<li>ruby2.5-devel-extra-2.5.9-150700.24.11.1</li>

<li>ruby2.5-stdlib-debuginfo-2.5.9-150700.24.11.1</li>

<li>ruby2.5-stdlib-2.5.9-150700.24.11.1</li>

<li>libruby2_5-2_5-2.5.9-150700.24.11.1</li>

<li>ruby2.5-debugsource-2.5.9-150700.24.11.1</li>

<li>ruby2.5-debuginfo-2.5.9-150700.24.11.1</li>

<li>ruby2.5-devel-2.5.9-150700.24.11.1</li>

</ul>
</li>

</ul>

<h2>References:</h2>
<ul>

<li>
<a href="https://www.suse.com/security/cve/CVE-2026-41316.html">https://www.suse.com/security/cve/CVE-2026-41316.html</a>
</li>

<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1262441">https://bugzilla.suse.com/show_bug.cgi?id=1262441</a>
</li>

</ul>

</div>

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