<div class="container">
<h1>Security update for MozillaThunderbird</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2025:01813-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-06-04T14:09:26Z</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=1243303">bsc#1243303</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-2025-4918.html">CVE-2025-4918</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-4919.html">CVE-2025-4919</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-2025-4918</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:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-4918</span>
<span class="cvss-source">
(
SUSE
):
</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-2025-4918</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>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-4919</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:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2025-4919</span>
<span class="cvss-source">
(
SUSE
):
</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-2025-4919</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>
</ul>
</td>
</tr>
<tr>
<th>Affected Products:</th>
<td>
<ul class="list-group">
<li class="list-group-item">openSUSE Leap 15.6</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Desktop 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Real Time 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Server 15 SP6</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 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Server for SAP Applications 15 SP7</li>
<li class="list-group-item">SUSE Linux Enterprise Workstation Extension 15 SP6</li>
<li class="list-group-item">SUSE Linux Enterprise Workstation Extension 15 SP7</li>
<li class="list-group-item">SUSE Package Hub 15 15-SP6</li>
<li class="list-group-item">SUSE Package Hub 15 15-SP7</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves two vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for MozillaThunderbird fixes the following issues:</p>
<p>Update to Mozilla Thunderbird 128.10.2 (MFSA 2025-40, bsc#1243303):</p>
<p>Security fixes:</p>
<ul>
<li>CVE-2025-4918: Out-of-bounds access when resolving Promise objects (bmo#1966612)</li>
<li>CVE-2025-4919: Out-of-bounds access when optimizing linear sums (bmo#1966614)</li>
</ul>
<p>Other fixes:</p>
<ul>
<li>Messages could not be viewed if the profile used a UNC path (bmo#1966256)</li>
<li>Visual and UX improvements (bmo#1964156)</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 Workstation Extension 15 SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-1813=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Workstation Extension 15 SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Product-WE-15-SP7-2025-1813=1</code>
</li>
<li class="list-group-item">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch openSUSE-SLE-15.6-2025-1813=1</code>
</li>
<li class="list-group-item">
SUSE Package Hub 15 15-SP6
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-1813=1</code>
</li>
<li class="list-group-item">
SUSE Package Hub 15 15-SP7
<br/>
<code>zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP7-2025-1813=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
<ul>
<li>MozillaThunderbird-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debugsource-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-other-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debuginfo-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-common-128.10.2-150200.8.218.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Workstation Extension 15 SP7 (x86_64)
<ul>
<li>MozillaThunderbird-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debugsource-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-other-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debuginfo-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-common-128.10.2-150200.8.218.1</li>
</ul>
</li>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>MozillaThunderbird-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debugsource-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-other-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debuginfo-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-common-128.10.2-150200.8.218.1</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
<ul>
<li>MozillaThunderbird-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debugsource-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-other-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debuginfo-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-common-128.10.2-150200.8.218.1</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP7 (aarch64 ppc64le s390x)
<ul>
<li>MozillaThunderbird-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debugsource-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-other-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-debuginfo-128.10.2-150200.8.218.1</li>
<li>MozillaThunderbird-translations-common-128.10.2-150200.8.218.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-4918.html">https://www.suse.com/security/cve/CVE-2025-4918.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-4919.html">https://www.suse.com/security/cve/CVE-2025-4919.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1243303">https://bugzilla.suse.com/show_bug.cgi?id=1243303</a>
</li>
</ul>
</div>