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# Security update for MozillaThunderbird
Announcement ID: SUSE-SU-2025:0080-1
Release Date: 2025-01-13T15:31:02Z
Rating: important
References:
* bsc#1234991
Cross-References:
* CVE-2025-0237
* CVE-2025-0238
* CVE-2025-0239
* CVE-2025-0240
* CVE-2025-0241
* CVE-2025-0242
* CVE-2025-0243
CVSS scores:
* CVE-2025-0237 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
* CVE-2025-0237 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
* CVE-2025-0238 ( SUSE ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
* CVE-2025-0238 ( NVD ): 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
* CVE-2025-0239 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2025-0239 ( NVD ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2025-0240 ( SUSE ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2025-0240 ( NVD ): 4.0 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
* CVE-2025-0242 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2025-0242 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2025-0243 ( SUSE ): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
* CVE-2025-0243 ( NVD ): 5.1 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Affected Products:
* openSUSE Leap 15.6
* SUSE Linux Enterprise Desktop 15 SP6
* SUSE Linux Enterprise Real Time 15 SP6
* SUSE Linux Enterprise Server 15 SP6
* SUSE Linux Enterprise Server for SAP Applications 15 SP6
* SUSE Linux Enterprise Workstation Extension 15 SP6
* SUSE Package Hub 15 15-SP6
An update that solves seven vulnerabilities can now be installed.
## Description:
This update for MozillaThunderbird fixes the following issues:
Update to Mozilla Thunderbird ESR 128.6 (MFSA 2025-05, bsc#1234991)
Security fixes:
* CVE-2025-0237 (bmo#1915257) WebChannel APIs susceptible to confused deputy
attack
* CVE-2025-0238 (bmo#1915535) Use-after-free when breaking lines in text
* CVE-2025-0239 (bmo#1929156) Alt-Svc ALPN validation failure when redirected
* CVE-2025-0240 (bmo#1929623) Compartment mismatch when parsing JavaScript
JSON module
* CVE-2025-0241 (bmo#1933023) Memory corruption when using JavaScript Text
Segmentation
* CVE-2025-0242 (bmo#1874523, bmo#1926454, bmo#1931873, bmo#1932169) Memory
safety bugs fixed in Firefox 134, Thunderbird 134, Firefox ESR 115.19,
Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6
* CVE-2025-0243 (bmo#1827142, bmo#1932783) Memory safety bugs fixed in
Firefox
134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6
Other fixes:
* fixed: New mail notification was not hidden after reading the new message
(bmo#1920077)
* fixed: New mail notification could show for the wrong folder, causing
repeated alerts (bmo#1926462)
* fixed: macOS shortcut CMD+1 did not restore the main window when it was
minimized (bmo#1857953)
* fixed: Clicking the context menu "Reply" button resulted in
"Reply-All"
(bmo#1935883)
* fixed: Switching from "All", "Unread", and "Threads
with unread" did not
work (bmo#1921618)
* fixed: Downloading message headers from a newsgroup could cause a hang
(bmo#1931661)
* fixed: Message list performance slow when many updates happened at once
(bmo#1933104)
* fixed: "mailto:" links did not apply the compose format of the
current
identity (bmo#550414)
* fixed: Authentication failure of AUTH PLAIN or AUTH LOGIN did not fall back
to USERPASS (bmo#1928026)
## 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:
* openSUSE Leap 15.6
zypper in -t patch openSUSE-SLE-15.6-2025-80=1
* SUSE Package Hub 15 15-SP6
zypper in -t patch SUSE-SLE-Module-Packagehub-Subpackages-15-SP6-2025-80=1
* SUSE Linux Enterprise Workstation Extension 15 SP6
zypper in -t patch SUSE-SLE-Product-WE-15-SP6-2025-80=1
## Package List:
* openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
* MozillaThunderbird-128.6.0-150200.8.197.1
* MozillaThunderbird-debuginfo-128.6.0-150200.8.197.1
* MozillaThunderbird-debugsource-128.6.0-150200.8.197.1
* MozillaThunderbird-translations-common-128.6.0-150200.8.197.1
* MozillaThunderbird-translations-other-128.6.0-150200.8.197.1
* SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
* MozillaThunderbird-128.6.0-150200.8.197.1
* MozillaThunderbird-debuginfo-128.6.0-150200.8.197.1
* MozillaThunderbird-debugsource-128.6.0-150200.8.197.1
* MozillaThunderbird-translations-common-128.6.0-150200.8.197.1
* MozillaThunderbird-translations-other-128.6.0-150200.8.197.1
* SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
* MozillaThunderbird-128.6.0-150200.8.197.1
* MozillaThunderbird-debuginfo-128.6.0-150200.8.197.1
* MozillaThunderbird-debugsource-128.6.0-150200.8.197.1
* MozillaThunderbird-translations-common-128.6.0-150200.8.197.1
* MozillaThunderbird-translations-other-128.6.0-150200.8.197.1
## References:
* https://www.suse.com/security/cve/CVE-2025-0237.html
* https://www.suse.com/security/cve/CVE-2025-0238.html
* https://www.suse.com/security/cve/CVE-2025-0239.html
* https://www.suse.com/security/cve/CVE-2025-0240.html
* https://www.suse.com/security/cve/CVE-2025-0241.html
* https://www.suse.com/security/cve/CVE-2025-0242.html
* https://www.suse.com/security/cve/CVE-2025-0243.html
* https://bugzilla.suse.com/show_bug.cgi?id=1234991
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<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-2025:0080-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2025-01-13T15:31:02Z</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=1234991">bsc#1234991</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-2025-0237.html">CVE-2025-0237</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-0238.html">CVE-2025-0238</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-0239.html">CVE-2025-0239</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-0240.html">CVE-2025-0240</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-0241.html">CVE-2025-0241</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-0242.html">CVE-2025-0242</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2025-0243.html">CVE-2025-0243</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-2025-0237</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span
class="cvss-score">5.4</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-0237</span>
<span class="cvss-source">
(
NVD
):
</span>
<span
class="cvss-score">5.4</span>
<span
class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-0238</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-2025-0238</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-2025-0239</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span
class="cvss-score">4.0</span>
<span
class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N</span>
</li>
<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-0239</span>
<span class="cvss-source">
(
NVD
):
</span>
<span
class="cvss-score">4.0</span>
<span
class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N</span>
</li>
<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-0240</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span
class="cvss-score">4.0</span>
<span
class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N</span>
</li>
<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-0240</span>
<span class="cvss-source">
(
NVD
):
</span>
<span
class="cvss-score">4.0</span>
<span
class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N</span>
</li>
<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-0242</span>
<span class="cvss-source">
(
SUSE
):
</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:L/A:N</span>
</li>
<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-0242</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:L/A:N</span>
</li>
<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-0243</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span
class="cvss-score">5.1</span>
<span
class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span
class="cvss-reference">CVE-2025-0243</span>
<span class="cvss-source">
(
NVD
):
</span>
<span
class="cvss-score">5.1</span>
<span
class="cvss-vector">CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N</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 Real Time 15 SP6</li>
<li class="list-group-item">SUSE Linux
Enterprise Server 15 SP6</li>
<li class="list-group-item">SUSE Linux
Enterprise Server for SAP Applications 15 SP6</li>
<li class="list-group-item">SUSE Linux
Enterprise Workstation Extension 15 SP6</li>
<li class="list-group-item">SUSE Package
Hub 15 15-SP6</li>
</ul>
</td>
</tr>
</tbody>
</table>
<p>An update that solves seven vulnerabilities can now be
installed.</p>
<h2>Description:</h2>
<p>This update for MozillaThunderbird fixes the following
issues:</p>
<p>Update to Mozilla Thunderbird ESR 128.6 (MFSA 2025-05,
bsc#1234991)</p>
<p>Security fixes:</p>
<ul>
<li>CVE-2025-0237 (bmo#1915257)
WebChannel APIs susceptible to confused deputy attack</li>
<li>CVE-2025-0238 (bmo#1915535)
Use-after-free when breaking lines in text</li>
<li>CVE-2025-0239 (bmo#1929156)
Alt-Svc ALPN validation failure when redirected</li>
<li>CVE-2025-0240 (bmo#1929623)
Compartment mismatch when parsing JavaScript JSON module</li>
<li>CVE-2025-0241 (bmo#1933023)
Memory corruption when using JavaScript Text Segmentation</li>
<li>CVE-2025-0242 (bmo#1874523, bmo#1926454, bmo#1931873,
bmo#1932169)
Memory safety bugs fixed in Firefox 134, Thunderbird 134,
Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19,
and Thunderbird 128.6</li>
<li>CVE-2025-0243 (bmo#1827142, bmo#1932783)
Memory safety bugs fixed in Firefox 134, Thunderbird 134,
Firefox ESR 128.6, and Thunderbird 128.6</li>
</ul>
<p>Other fixes:</p>
<ul>
<li>fixed: New mail notification was not hidden after reading the
new message (bmo#1920077)</li>
<li>fixed: New mail notification could show for the wrong folder,
causing repeated alerts (bmo#1926462)</li>
<li>fixed: macOS shortcut CMD+1 did not restore the main window
when it was minimized (bmo#1857953)</li>
<li>fixed: Clicking the context menu "Reply" button
resulted in
"Reply-All" (bmo#1935883)</li>
<li>fixed: Switching from "All",
"Unread", and "Threads with
unread" did not work (bmo#1921618)</li>
<li>fixed: Downloading message headers from a newsgroup could
cause a hang (bmo#1931661)</li>
<li>fixed: Message list performance slow when many updates
happened at once (bmo#1933104)</li>
<li>fixed: "mailto:" links did not apply the compose
format of
the current identity (bmo#550414)</li>
<li>fixed: Authentication failure of AUTH PLAIN or AUTH LOGIN did
not fall back to USERPASS (bmo#1928026)</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">
openSUSE Leap 15.6
<br/>
<code>zypper in -t patch
openSUSE-SLE-15.6-2025-80=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-SP6-2025-80=1</code>
</li>
<li class="list-group-item">
SUSE Linux Enterprise Workstation Extension 15 SP6
<br/>
<code>zypper in -t patch
SUSE-SLE-Product-WE-15-SP6-2025-80=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
openSUSE Leap 15.6 (aarch64 ppc64le s390x x86_64)
<ul>
<li>MozillaThunderbird-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-debuginfo-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-debugsource-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-translations-common-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-translations-other-128.6.0-150200.8.197.1</li>
</ul>
</li>
<li>
SUSE Package Hub 15 15-SP6 (aarch64 ppc64le s390x)
<ul>
<li>MozillaThunderbird-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-debuginfo-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-debugsource-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-translations-common-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-translations-other-128.6.0-150200.8.197.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Workstation Extension 15 SP6 (x86_64)
<ul>
<li>MozillaThunderbird-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-debuginfo-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-debugsource-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-translations-common-128.6.0-150200.8.197.1</li>
<li>MozillaThunderbird-translations-other-128.6.0-150200.8.197.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-0237.html">https://www.suse.com/security/cve/CVE-2025-0237.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-0238.html">https://www.suse.com/security/cve/CVE-2025-0238.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-0239.html">https://www.suse.com/security/cve/CVE-2025-0239.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-0240.html">https://www.suse.com/security/cve/CVE-2025-0240.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-0241.html">https://www.suse.com/security/cve/CVE-2025-0241.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-0242.html">https://www.suse.com/security/cve/CVE-2025-0242.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2025-0243.html">https://www.suse.com/security/cve/CVE-2025-0243.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1234991">https://bugzilla.suse.com/show_bug.cgi?id=1234991</a>
</li>
</ul>
</div>
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