<div class="container">
<h1>Security update for MozillaFirefox</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:0122-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-01-14T08:49:27Z</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=1256340">bsc#1256340</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-2025-14327.html">CVE-2025-14327</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0877.html">CVE-2026-0877</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0878.html">CVE-2026-0878</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0879.html">CVE-2026-0879</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0880.html">CVE-2026-0880</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0882.html">CVE-2026-0882</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0883.html">CVE-2026-0883</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0884.html">CVE-2026-0884</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0885.html">CVE-2026-0885</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0886.html">CVE-2026-0886</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0887.html">CVE-2026-0887</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0890.html">CVE-2026-0890</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-0891.html">CVE-2026-0891</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-2025-14327</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">5.1</span>
<span class="cvss-vector">CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-14327</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">6.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-14327</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-14327</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:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-0877</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.1</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-0878</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.0</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-0879</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-2026-0880</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-0882</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">8.8</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-0883</span>
<span class="cvss-source">
(
NVD
):
</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-2026-0884</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-2026-0885</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-0886</span>
<span class="cvss-source">
(
NVD
):
</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-2026-0887</span>
<span class="cvss-source">
(
NVD
):
</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-2026-0890</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">6.5</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-0891</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">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 13 vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for MozillaFirefox fixes the following issues:</p>
<p>Update to Firefox Extended Support Release 140.7.0 ESR (bsc#1256340).</p>
<ul>
<li>MFSA 2026-03</li>
<li>CVE-2026-0877: Mitigation bypass in the DOM: Security component</li>
<li>CVE-2026-0878: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component</li>
<li>CVE-2026-0879: Sandbox escape due to incorrect boundary conditions in the Graphics component</li>
<li>CVE-2026-0880: Sandbox escape due to integer overflow in the Graphics component</li>
<li>CVE-2026-0882: Use-after-free in the IPC component</li>
<li>CVE-2025-14327: Spoofing issue in the Downloads Panel component</li>
<li>CVE-2026-0883: Information disclosure in the Networking component</li>
<li>CVE-2026-0884: Use-after-free in the JavaScript Engine component</li>
<li>CVE-2026-0885: Use-after-free in the JavaScript: GC component</li>
<li>CVE-2026-0886: Incorrect boundary conditions in the Graphics component</li>
<li>CVE-2026-0887: Clickjacking issue, information disclosure in the PDF Viewer component</li>
<li>CVE-2026-0890: Spoofing issue in the DOM: Copy-Paste and Drag-Drop component</li>
<li>CVE-2026-0891: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147</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-2026-122=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-2026-122=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64)
<ul>
<li>MozillaFirefox-140.7.0-112.295.1</li>
<li>MozillaFirefox-debuginfo-140.7.0-112.295.1</li>
<li>MozillaFirefox-translations-common-140.7.0-112.295.1</li>
<li>MozillaFirefox-debugsource-140.7.0-112.295.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS (noarch)
<ul>
<li>MozillaFirefox-devel-140.7.0-112.295.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
<ul>
<li>MozillaFirefox-140.7.0-112.295.1</li>
<li>MozillaFirefox-debuginfo-140.7.0-112.295.1</li>
<li>MozillaFirefox-translations-common-140.7.0-112.295.1</li>
<li>MozillaFirefox-debugsource-140.7.0-112.295.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
<ul>
<li>MozillaFirefox-devel-140.7.0-112.295.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-14327.html">https://www.suse.com/security/cve/CVE-2025-14327.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0877.html">https://www.suse.com/security/cve/CVE-2026-0877.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0878.html">https://www.suse.com/security/cve/CVE-2026-0878.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0879.html">https://www.suse.com/security/cve/CVE-2026-0879.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0880.html">https://www.suse.com/security/cve/CVE-2026-0880.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0882.html">https://www.suse.com/security/cve/CVE-2026-0882.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0883.html">https://www.suse.com/security/cve/CVE-2026-0883.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0884.html">https://www.suse.com/security/cve/CVE-2026-0884.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0885.html">https://www.suse.com/security/cve/CVE-2026-0885.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0886.html">https://www.suse.com/security/cve/CVE-2026-0886.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0887.html">https://www.suse.com/security/cve/CVE-2026-0887.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0890.html">https://www.suse.com/security/cve/CVE-2026-0890.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-0891.html">https://www.suse.com/security/cve/CVE-2026-0891.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1256340">https://bugzilla.suse.com/show_bug.cgi?id=1256340</a>
</li>
</ul>
</div>