<div class="container">
<h1>Security update for webkit2gtk3</h1>
<table class="table table-striped table-bordered">
<tbody>
<tr>
<th>Announcement ID:</th>
<td>SUSE-SU-2026:1648-1</td>
</tr>
<tr>
<th>Release Date:</th>
<td>2026-04-28T18:07:02Z</td>
</tr>
<tr>
<th>Rating:</th>
<td>moderate</td>
</tr>
<tr>
<th>References:</th>
<td>
<ul>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261172">bsc#1261172</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261173">bsc#1261173</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261174">bsc#1261174</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261175">bsc#1261175</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261176">bsc#1261176</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261177">bsc#1261177</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261178">bsc#1261178</a>
</li>
<li style="display: inline;">
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261179">bsc#1261179</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-2026-20643.html">CVE-2026-20643</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20664.html">CVE-2026-20664</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20665.html">CVE-2026-20665</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-20691.html">CVE-2026-20691</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-28857.html">CVE-2026-28857</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-28859.html">CVE-2026-28859</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-28861.html">CVE-2026-28861</a>
</li>
<li style="display: inline;">
<a href="https://www.suse.com/security/cve/CVE-2026-28871.html">CVE-2026-28871</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-2026-20643</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:N/UI:R/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20643</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:N/UI:R/S:U/C:L/I:L/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20664</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:R/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20664</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20665</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:N/UI:R/S:U/C:L/I:N/A:L</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20665</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-2026-20691</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-20691</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28857</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:R/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28857</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:R/S:U/C:N/I:N/A:H</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28859</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:R/S:U/C:H/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28859</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28861</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.7</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28861</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28871</span>
<span class="cvss-source">
(
SUSE
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N</span>
</li>
<li class="list-group-item">
<span class="cvss-reference">CVE-2026-28871</span>
<span class="cvss-source">
(
NVD
):
</span>
<span class="cvss-score">4.3</span>
<span class="cvss-vector">CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/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 Enterprise Server 12 SP5</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 eight vulnerabilities can now be installed.</p>
<h2>Description:</h2>
<p>This update for webkit2gtk3 fixes the following issues:</p>
<p>Update to version 2.52.1.</p>
<p>Security issues fixed:</p>
<ul>
<li>CVE-2026-20643: processing maliciously crafted web content may bypass Same Origin Policy (bsc#1261172).</li>
<li>CVE-2026-20664: processing maliciously crafted web content may lead to an unexpected process crash (bsc#1261173).</li>
<li>CVE-2026-20665: processing maliciously crafted web content may prevent Content Security Policy from being enforced
(bsc#1261174).</li>
<li>CVE-2026-20691: a maliciously crafted webpage may be able to fingerprint the user (bsc#1261175).</li>
<li>CVE-2026-28857: processing maliciously crafted web content may lead to an unexpected process crash (bsc#1261176).</li>
<li>CVE-2026-28859: a malicious website may be able to process restricted web content outside the sandbox (bsc#1261177).</li>
<li>CVE-2026-28861: a malicious website may be able to access script message handlers intended for other origins
(bsc#1261178).</li>
<li>CVE-2026-28871: visiting a maliciously crafted website may lead to a cross-site scripting attack (bsc#1261179).</li>
</ul>
<p>Other updates and bugfixes:</p>
<ul>
<li>Reduce the amount of useless MPRIS notifications produced by MediaSession when the information about media being
played is incomplete.</li>
<li>Support turning off USE_GSTREAMER to configure the build with all multimedia features disabled.</li>
<li>Add Sysprof marks for mouse events.</li>
<li>Fix MediaSession icon for iheart.com not being displayed.</li>
<li>Fix the build with USE_GSTREAMER_GL disabled.</li>
<li>Fix the build with librice version 0.3.0 or newer.</li>
<li>Fix several crashes and rendering issues.</li>
<li>Translation updates: Georgian.</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 Extended Security
<br/>
<code>zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-1648=1</code>
</li>
</ul>
<h2>Package List:</h2>
<ul>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64)
<ul>
<li>libjavascriptcoregtk-4_0-18-2.52.1-4.57.1</li>
<li>webkit2gtk3-debugsource-2.52.1-4.57.1</li>
<li>typelib-1_0-WebKit2-4_0-2.52.1-4.57.1</li>
<li>typelib-1_0-JavaScriptCore-4_0-2.52.1-4.57.1</li>
<li>webkit2gtk3-devel-2.52.1-4.57.1</li>
<li>typelib-1_0-WebKit2WebExtension-4_0-2.52.1-4.57.1</li>
<li>libjavascriptcoregtk-4_0-18-debuginfo-2.52.1-4.57.1</li>
<li>libwebkit2gtk-4_0-37-2.52.1-4.57.1</li>
<li>webkit2gtk-4_0-injected-bundles-2.52.1-4.57.1</li>
<li>libwebkit2gtk-4_0-37-debuginfo-2.52.1-4.57.1</li>
<li>webkit2gtk-4_0-injected-bundles-debuginfo-2.52.1-4.57.1</li>
</ul>
</li>
<li>
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (noarch)
<ul>
<li>libwebkit2gtk3-lang-2.52.1-4.57.1</li>
</ul>
</li>
</ul>
<h2>References:</h2>
<ul>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-20643.html">https://www.suse.com/security/cve/CVE-2026-20643.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-20664.html">https://www.suse.com/security/cve/CVE-2026-20664.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-20665.html">https://www.suse.com/security/cve/CVE-2026-20665.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-20691.html">https://www.suse.com/security/cve/CVE-2026-20691.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-28857.html">https://www.suse.com/security/cve/CVE-2026-28857.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-28859.html">https://www.suse.com/security/cve/CVE-2026-28859.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-28861.html">https://www.suse.com/security/cve/CVE-2026-28861.html</a>
</li>
<li>
<a href="https://www.suse.com/security/cve/CVE-2026-28871.html">https://www.suse.com/security/cve/CVE-2026-28871.html</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261172">https://bugzilla.suse.com/show_bug.cgi?id=1261172</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261173">https://bugzilla.suse.com/show_bug.cgi?id=1261173</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261174">https://bugzilla.suse.com/show_bug.cgi?id=1261174</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261175">https://bugzilla.suse.com/show_bug.cgi?id=1261175</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261176">https://bugzilla.suse.com/show_bug.cgi?id=1261176</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261177">https://bugzilla.suse.com/show_bug.cgi?id=1261177</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261178">https://bugzilla.suse.com/show_bug.cgi?id=1261178</a>
</li>
<li>
<a href="https://bugzilla.suse.com/show_bug.cgi?id=1261179">https://bugzilla.suse.com/show_bug.cgi?id=1261179</a>
</li>
</ul>
</div>