Security update for webkit2gtk3

Announcement ID:	SUSE-SU-2026:1749-1
Release Date:	2026-05-07T10:49:01Z
Rating:	moderate
References:	bsc#1261172 bsc#1261173 bsc#1261174 bsc#1261175 bsc#1261176 bsc#1261177 bsc#1261178 bsc#1261179
Cross-References:	CVE-2026-20643 CVE-2026-20664 CVE-2026-20665 CVE-2026-20691 CVE-2026-28857 CVE-2026-28859 CVE-2026-28861 CVE-2026-28871
CVSS scores:	CVE-2026-20643 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2026-20643 ( NVD ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N CVE-2026-20664 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2026-20664 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L CVE-2026-20665 ( SUSE ): 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L CVE-2026-20665 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L CVE-2026-20691 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVE-2026-20691 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVE-2026-28857 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2026-28857 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVE-2026-28859 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N CVE-2026-28859 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVE-2026-28861 ( SUSE ): 4.7 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N CVE-2026-28861 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVE-2026-28871 ( SUSE ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N CVE-2026-28871 ( NVD ): 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Affected Products:	openSUSE Leap 15.4

An update that solves eight vulnerabilities can now be installed.

Description:

This update for webkit2gtk3 fixes the following issues:

Update to version 2.52.1.

Security issues fixed:

• CVE-2026-20643: processing maliciously crafted web content may bypass Same Origin Policy (bsc#1261172).
• CVE-2026-20664: processing maliciously crafted web content may lead to an unexpected process crash (bsc#1261173).
• CVE-2026-20665: processing maliciously crafted web content may prevent Content Security Policy from being enforced (bsc#1261174).
• CVE-2026-20691: a maliciously crafted webpage may be able to fingerprint the user (bsc#1261175).
• CVE-2026-28857: processing maliciously crafted web content may lead to an unexpected process crash (bsc#1261176).
• CVE-2026-28859: a malicious website may be able to process restricted web content outside the sandbox (bsc#1261177).
• CVE-2026-28861: a malicious website may be able to access script message handlers intended for other origins (bsc#1261178).
• CVE-2026-28871: visiting a maliciously crafted website may lead to a cross-site scripting attack (bsc#1261179).

Other updates and bugfixes:

• Reduce the amount of useless MPRIS notifications produced by MediaSession when the information about media being played is incomplete.
• Support turning off USE_GSTREAMER to configure the build with all multimedia features disabled.
• Add Sysprof marks for mouse events.
• Fix MediaSession icon for iheart.com not being displayed.
• Fix the build with USE_GSTREAMER_GL disabled.
• Fix the build with librice version 0.3.0 or newer.
• Fix several crashes and rendering issues.
• Translation updates: Georgian.

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 15.4
  zypper in -t patch SUSE-2026-1749=1

Package List:

• openSUSE Leap 15.4 (noarch)
  • WebKitGTK-4.1-lang-2.52.1-150400.4.140.2
  • WebKitGTK-6.0-lang-2.52.1-150400.4.140.2
  • WebKitGTK-4.0-lang-2.52.1-150400.4.140.2
• openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64 i586)
  • webkit-jsc-4-debuginfo-2.52.1-150400.4.140.2
  • typelib-1_0-JavaScriptCore-4_0-2.52.1-150400.4.140.2
  • webkit2gtk4-minibrowser-2.52.1-150400.4.140.2
  • webkit2gtk-4_0-injected-bundles-2.52.1-150400.4.140.2
  • libwebkitgtk-6_0-4-debuginfo-2.52.1-150400.4.140.2
  • webkit2gtk4-debugsource-2.52.1-150400.4.140.2
  • typelib-1_0-WebKit2-4_0-2.52.1-150400.4.140.2
  • webkit2gtk4-devel-2.52.1-150400.4.140.2
  • webkit-jsc-4-2.52.1-150400.4.140.2
  • webkit2gtk3-soup2-minibrowser-debuginfo-2.52.1-150400.4.140.2
  • typelib-1_0-JavaScriptCore-6_0-2.52.1-150400.4.140.2
  • webkit2gtk-4_1-injected-bundles-debuginfo-2.52.1-150400.4.140.2
  • webkit2gtk3-soup2-minibrowser-2.52.1-150400.4.140.2
  • typelib-1_0-JavaScriptCore-4_1-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_1-0-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-6_0-1-2.52.1-150400.4.140.2
  • webkit2gtk3-devel-2.52.1-150400.4.140.2
  • typelib-1_0-WebKit2WebExtension-4_1-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_0-37-debuginfo-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_1-0-debuginfo-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-6_0-1-debuginfo-2.52.1-150400.4.140.2
  • webkitgtk-6_0-injected-bundles-debuginfo-2.52.1-150400.4.140.2
  • webkit-jsc-4.1-debuginfo-2.52.1-150400.4.140.2
  • webkit-jsc-6.0-debuginfo-2.52.1-150400.4.140.2
  • webkit2gtk3-soup2-debugsource-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_0-18-2.52.1-150400.4.140.2
  • libwebkitgtk-6_0-4-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_1-0-2.52.1-150400.4.140.2
  • webkit2gtk4-minibrowser-debuginfo-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_0-37-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_1-0-debuginfo-2.52.1-150400.4.140.2
  • webkit2gtk-4_1-injected-bundles-2.52.1-150400.4.140.2
  • typelib-1_0-WebKit2-4_1-2.52.1-150400.4.140.2
  • typelib-1_0-WebKit-6_0-2.52.1-150400.4.140.2
  • typelib-1_0-WebKitWebProcessExtension-6_0-2.52.1-150400.4.140.2
  • webkitgtk-6_0-injected-bundles-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_0-18-debuginfo-2.52.1-150400.4.140.2
  • webkit2gtk3-minibrowser-2.52.1-150400.4.140.2
  • typelib-1_0-WebKit2WebExtension-4_0-2.52.1-150400.4.140.2
  • webkit2gtk-4_0-injected-bundles-debuginfo-2.52.1-150400.4.140.2
  • webkit-jsc-4.1-2.52.1-150400.4.140.2
  • webkit2gtk3-debugsource-2.52.1-150400.4.140.2
  • webkit2gtk3-minibrowser-debuginfo-2.52.1-150400.4.140.2
  • webkit2gtk3-soup2-devel-2.52.1-150400.4.140.2
  • webkit-jsc-6.0-2.52.1-150400.4.140.2
• openSUSE Leap 15.4 (x86_64)
  • libwebkit2gtk-4_0-37-32bit-debuginfo-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_0-18-32bit-debuginfo-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_1-0-32bit-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_0-18-32bit-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_1-0-32bit-debuginfo-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_1-0-32bit-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_1-0-32bit-debuginfo-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_0-37-32bit-2.52.1-150400.4.140.2
• openSUSE Leap 15.4 (aarch64_ilp32)
  • libwebkit2gtk-4_0-37-64bit-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_1-0-64bit-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_0-18-64bit-debuginfo-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_0-37-64bit-debuginfo-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_0-18-64bit-2.52.1-150400.4.140.2
  • libjavascriptcoregtk-4_1-0-64bit-debuginfo-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_1-0-64bit-2.52.1-150400.4.140.2
  • libwebkit2gtk-4_1-0-64bit-debuginfo-2.52.1-150400.4.140.2

References:

• https://www.suse.com/security/cve/CVE-2026-20643.html
• https://www.suse.com/security/cve/CVE-2026-20664.html
• https://www.suse.com/security/cve/CVE-2026-20665.html
• https://www.suse.com/security/cve/CVE-2026-20691.html
• https://www.suse.com/security/cve/CVE-2026-28857.html
• https://www.suse.com/security/cve/CVE-2026-28859.html
• https://www.suse.com/security/cve/CVE-2026-28861.html
• https://www.suse.com/security/cve/CVE-2026-28871.html
• https://bugzilla.suse.com/show_bug.cgi?id=1261172
• https://bugzilla.suse.com/show_bug.cgi?id=1261173
• https://bugzilla.suse.com/show_bug.cgi?id=1261174
• https://bugzilla.suse.com/show_bug.cgi?id=1261175
• https://bugzilla.suse.com/show_bug.cgi?id=1261176
• https://bugzilla.suse.com/show_bug.cgi?id=1261177
• https://bugzilla.suse.com/show_bug.cgi?id=1261178
• https://bugzilla.suse.com/show_bug.cgi?id=1261179