Type Confusion in WPE WebKit and WebKitGTK+ - CVE-2025-31206

Vulnerability identifier: #VU108953

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-31206

CWE-ID: CWE-843

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a type confusion error within the WebKit engine. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a type confusion error and crash the browser.

WPE WebKit
WebKitGTK+
SUSE Linux Enterprise Server 15 SP4
Debian Linux
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
visionOS
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Enterprise Storage
watchOS
macOS
Desktop Applications Module
Development Tools Module
Basesystem Module
openSUSE Leap
iPadOS
tvOS
Apple iOS
Ubuntu
Fedora
Apple Safari
webkitgtk
libwebkit2gtk-4_0-37-debuginfo
webkit2gtk-4_0-injected-bundles-debuginfo
libwebkit2gtk3-lang
libjavascriptcoregtk-4_0-18-debuginfo
webkit2gtk3-debugsource
typelib-1_0-JavaScriptCore-4_0
webkit2gtk-4_0-injected-bundles
typelib-1_0-WebKit2WebExtension-4_0
libwebkit2gtk-4_0-37
libjavascriptcoregtk-4_0-18
typelib-1_0-WebKit2-4_0
webkit2gtk3-devel
libjavascriptcoregtk-4_0-18-32bit-debuginfo
libwebkit2gtk-4_0-37-32bit
libjavascriptcoregtk-4_1-0-debuginfo
webkit-jsc-6.0
webkit-jsc-6.0-debuginfo
typelib-1_0-WebKit-6_0
webkit2gtk3-soup2-debugsource
webkit2gtk3-minibrowser
libjavascriptcoregtk-4_1-0-32bit
webkit2gtk4-minibrowser-debuginfo
webkit-jsc-4.1
libjavascriptcoregtk-4_1-0
libwebkit2gtk-4_0-37-32bit-debuginfo
libwebkit2gtk-4_1-0-32bit
libjavascriptcoregtk-4_1-0-32bit-debuginfo
WebKitGTK-6.0-lang
libwebkit2gtk-4_1-0-32bit-debuginfo
libjavascriptcoregtk-4_0-18-32bit
libwebkit2gtk-4_1-0-64bit-debuginfo
libjavascriptcoregtk-4_1-0-64bit-debuginfo
libjavascriptcoregtk-4_1-0-64bit
libwebkit2gtk-4_0-37-64bit-debuginfo
libwebkit2gtk-4_1-0-64bit
libwebkit2gtk-4_0-37-64bit
libjavascriptcoregtk-4_0-18-64bit-debuginfo
libjavascriptcoregtk-4_0-18-64bit
WebKitGTK-4.0-lang
webkit2gtk-4_1-injected-bundles
webkit2gtk3-minibrowser-debuginfo
webkit2gtk3-soup2-devel
typelib-1_0-WebKit2-4_1
webkit-jsc-4.1-debuginfo
typelib-1_0-JavaScriptCore-4_1
webkit2gtk3-soup2-minibrowser-debuginfo
webkit-jsc-4-debuginfo
webkit-jsc-4
libjavascriptcoregtk-6_0-1
webkit2gtk-4_1-injected-bundles-debuginfo
libwebkit2gtk-4_1-0
webkitgtk-6_0-injected-bundles-debuginfo
WebKitGTK-4.1-lang
webkit2gtk4-debugsource
typelib-1_0-WebKitWebProcessExtension-6_0
typelib-1_0-JavaScriptCore-6_0
libwebkitgtk-6_0-4
libwebkitgtk-6_0-4-debuginfo
webkit2gtk4-minibrowser
typelib-1_0-WebKit2WebExtension-4_1
webkit2gtk4-devel
libjavascriptcoregtk-6_0-1-debuginfo
webkitgtk-6_0-injected-bundles
webkit2gtk3-soup2-minibrowser
libwebkit2gtk-4_1-0-debuginfo
webkit2gtk (Ubuntu package)
webkit2gtk (Debian package)
webkitgtk4 (Red Hat package)

Install update from vendor's website.

WPE WebKit - update to 2.48.2
WebKitGTK+ - update to 2.48.2
visionOS - update to 2.5
watchOS - update to 11.5
macOS - update to 15.5 24F74
iPadOS - addressed in versions 17.7.7, 18.5 22F76
tvOS - update to 18.5
Apple Safari - update to 18.5
Apple iOS - update to 18.5 22F76
webkitgtk - addressed in versions 2.48.2-1.fc41, 2.48.2-1.fc42
libwebkit2gtk-4_0-37-debuginfo - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk-4_0-injected-bundles-debuginfo - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk3-lang - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1
libjavascriptcoregtk-4_0-18-debuginfo - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk3-debugsource - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
typelib-1_0-JavaScriptCore-4_0 - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk-4_0-injected-bundles - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
typelib-1_0-WebKit2WebExtension-4_0 - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_0-37 - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_0-18 - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
typelib-1_0-WebKit2-4_0 - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk3-devel - addressed in versions 2.48.2-4.38.1, 2.48.2-150200.147.1, 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_0-18-32bit-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_0-37-32bit - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_1-0-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit-jsc-6.0 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit-jsc-6.0-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
typelib-1_0-WebKit-6_0 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk3-soup2-debugsource - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk3-minibrowser - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_1-0-32bit - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk4-minibrowser-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit-jsc-4.1 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_1-0 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_0-37-32bit-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_1-0-32bit - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_1-0-32bit-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
WebKitGTK-6.0-lang - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_1-0-32bit-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_0-18-32bit - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_1-0-64bit-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_1-0-64bit-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_1-0-64bit - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_0-37-64bit-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_1-0-64bit - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_0-37-64bit - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_0-18-64bit-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-4_0-18-64bit - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
WebKitGTK-4.0-lang - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk-4_1-injected-bundles - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk3-minibrowser-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk3-soup2-devel - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
typelib-1_0-WebKit2-4_1 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit-jsc-4.1-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
typelib-1_0-JavaScriptCore-4_1 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk3-soup2-minibrowser-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit-jsc-4-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit-jsc-4 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-6_0-1 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk-4_1-injected-bundles-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_1-0 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkitgtk-6_0-injected-bundles-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
WebKitGTK-4.1-lang - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk4-debugsource - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
typelib-1_0-WebKitWebProcessExtension-6_0 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
typelib-1_0-JavaScriptCore-6_0 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkitgtk-6_0-4 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkitgtk-6_0-4-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk4-minibrowser - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
typelib-1_0-WebKit2WebExtension-4_1 - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk4-devel - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libjavascriptcoregtk-6_0-1-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkitgtk-6_0-injected-bundles - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk3-soup2-minibrowser - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
libwebkit2gtk-4_1-0-debuginfo - addressed in versions 2.48.2-150400.4.119.1, 2.48.2-150600.12.40.2
webkit2gtk (Ubuntu package) - addressed in versions 2.48.3-0ubuntu0.22.04.1, 2.48.3-0ubuntu0.24.04.1, 2.48.3-0ubuntu0.24.10.1, 2.48.3-0ubuntu0.25.04.1
webkit2gtk (Debian package) - update to 2.48.3-1~deb12u1
webkitgtk4 (Red Hat package) - update to 2.48.3-2.el7_9

• https://support.apple.com/en-us/122716
• https://webkitgtk.org/security/WSA-2025-0004.html

• Multiple vulnerabilities in WebKitGTK+ and WPE WebKit
• Multiple vulnerabilities in macOS Sequoia
• Multiple vulnerabilities in Apple Safari
• Multiple vulnerabilities in Apple tvOS
• Multiple vulnerabilities in Apple visionOS
• Multiple vulnerabilities in Apple watchOS
• Multiple vulnerabilities in Apple iOS 18 and iPadOS 18
• Multiple vulnerabilities in Apple iPadOS 17
• Fedora 41 update for webkitgtk
• Fedora 42 update for webkitgtk
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• Debian update for webkit2gtk
• Ubuntu update for webkit2gtk
• SUSE update for webkit2gtk3
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for webkitgtk4