Insufficient verification of data authenticity in WebKitGTK+ and WPE WebKit - CVE-2025-43240

Vulnerability identifier: #VU113515

CSH Severity: Medium

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

CVE-ID: CVE-2025-43240

CWE-ID: CWE-345

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to a logic error, leading to a download's origin being incorrectly associated. A remote attacker can trick the victim into downloading dangerous files from websites that appear ti be trusted. 

WebKitGTK+
WPE WebKit
Gentoo Linux
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Manager Proxy 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Manager Server 4.3
Debian Linux
SUSE Linux Enterprise Server 12 SP5
SUSE Linux Enterprise Server 12 SP5 LTSS Extended
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Desktop 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
Anolis OS
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
macOS
Development Tools Module
Desktop Applications Module
Basesystem Module
openSUSE Leap
Ubuntu
Fedora
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
net-libs/webkit-gtk
webkit2gtk (Ubuntu package)
webkit2gtk4.1
javascriptcoregtk4.1
javascriptcoregtk4.1-devel
javascriptcoregtk6.0
javascriptcoregtk6.0-devel
webkit2gtk4.1-devel
webkitgtk6.0
webkitgtk6.0-devel
webkit2gtk4.1-doc
webkitgtk6.0-doc
webkitgtk4 (Red Hat package)
webkit2gtk3 (Red Hat package)
webkitgtk
webkit2gtk (Debian package)
webkit2gtk3
webkit2gtk3-jsc-devel
webkit2gtk3-devel
webkit2gtk3-jsc
libwebkit2gtk-4_0-37-debuginfo
webkit2gtk-4_0-injected-bundles-debuginfo
libwebkit2gtk3-lang
webkit2gtk-4_0-injected-bundles
typelib-1_0-JavaScriptCore-4_0
typelib-1_0-WebKit2WebExtension-4_0
libjavascriptcoregtk-4_0-18
libwebkit2gtk-4_0-37
typelib-1_0-WebKit2-4_0
webkit2gtk3-debugsource
libjavascriptcoregtk-4_0-18-debuginfo
webkit2gtk3-soup2-minibrowser-debuginfo
typelib-1_0-WebKit2-4_1
webkit2gtk3-soup2-devel
typelib-1_0-WebKit2WebExtension-4_1
typelib-1_0-WebKit-6_0
webkit-jsc-4.1
typelib-1_0-WebKitWebProcessExtension-6_0
libjavascriptcoregtk-4_1-0
webkit2gtk3-minibrowser-debuginfo
webkitgtk-6_0-injected-bundles
libjavascriptcoregtk-4_1-0-debuginfo
webkit-jsc-4
webkit-jsc-4-debuginfo
webkit2gtk4-devel
webkit2gtk4-minibrowser
libjavascriptcoregtk-4_1-0-32bit-debuginfo
typelib-1_0-JavaScriptCore-4_1
libwebkit2gtk-4_0-37-64bit-debuginfo
libjavascriptcoregtk-4_0-18-64bit
libwebkit2gtk-4_1-0-64bit
libjavascriptcoregtk-4_0-18-64bit-debuginfo
libjavascriptcoregtk-4_1-0-64bit-debuginfo
libwebkit2gtk-4_0-37-64bit
libwebkit2gtk-4_1-0-64bit-debuginfo
libjavascriptcoregtk-4_1-0-64bit
libwebkitgtk-6_0-4
libwebkit2gtk-4_0-37-32bit-debuginfo
libjavascriptcoregtk-4_1-0-32bit
libwebkit2gtk-4_0-37-32bit
libjavascriptcoregtk-4_0-18-32bit
libwebkit2gtk-4_1-0-32bit-debuginfo
libjavascriptcoregtk-4_0-18-32bit-debuginfo
libwebkit2gtk-4_1-0-32bit
WebKitGTK-4.0-lang
WebKitGTK-6.0-lang
WebKitGTK-4.1-lang
libwebkitgtk-6_0-4-debuginfo
libwebkit2gtk-4_1-0
webkit2gtk-4_1-injected-bundles
webkit2gtk4-minibrowser-debuginfo
webkit2gtk3-soup2-debugsource
webkit-jsc-6.0
webkit2gtk3-soup2-minibrowser
webkit2gtk3-minibrowser
typelib-1_0-JavaScriptCore-6_0
webkit-jsc-6.0-debuginfo
libwebkit2gtk-4_1-0-debuginfo
libjavascriptcoregtk-6_0-1
webkit2gtk4-debugsource
libjavascriptcoregtk-6_0-1-debuginfo
webkit-jsc-4.1-debuginfo
webkitgtk-6_0-injected-bundles-debuginfo
webkit2gtk-4_1-injected-bundles-debuginfo
Apple Safari
IBM Cloud Pak for Multicloud Management

Install updates from vendor's website.

WebKitGTK+ - update to 2.48.5
WPE WebKit - update to 2.48.5
macOS - update to 15.6 24G84
Apple Safari - update to 18.6
IBM Cloud Pak for Multicloud Management - update to 2.3 Fix Pack 12
net-libs/webkit-gtk - update to 2.26.4
webkit2gtk (Ubuntu package) - addressed in versions 2.48.5-0ubuntu0.22.04.1, 2.48.5-0ubuntu0.24.04.1, 2.48.5-0ubuntu0.25.04.1
webkit2gtk4.1 - update to 2.48.5-1
javascriptcoregtk4.1 - update to 2.48.5-1
javascriptcoregtk4.1-devel - update to 2.48.5-1
javascriptcoregtk6.0 - update to 2.48.5-1
javascriptcoregtk6.0-devel - update to 2.48.5-1
webkit2gtk4.1-devel - update to 2.48.5-1
webkitgtk6.0 - update to 2.48.5-1
webkitgtk6.0-devel - update to 2.48.5-1
webkit2gtk4.1-doc - update to 2.48.5-1
webkitgtk6.0-doc - update to 2.48.5-1
webkitgtk4 (Red Hat package) - update to 2.48.5-1.el7_9
webkit2gtk3 (Red Hat package) - addressed in versions 2.48.5-1.el8_2, 2.48.5-1.el8_4, 2.48.5-1.el8_6, 2.48.5-1.el8_8, 2.48.5-1.el8_10, 2.48.5-1.el9_0, 2.48.5-1.el9_2, 2.48.5-1.el9_4, 2.48.5-1.el9_6
webkitgtk - addressed in versions 2.48.5-1.fc41, 2.48.5-1.fc42
webkit2gtk (Debian package) - addressed in versions 2.48.5-1~deb12u1, 2.48.5-1~deb13u1
webkit2gtk3 - update to 2.48.5-1.0.1
webkit2gtk3-jsc-devel - update to 2.48.5-1.0.1
webkit2gtk3-devel - update to 2.48.5-1.0.1
webkit2gtk3-jsc - update to 2.48.5-1.0.1
libwebkit2gtk-4_0-37-debuginfo - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk-4_0-injected-bundles-debuginfo - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk3-lang - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1
webkit2gtk-4_0-injected-bundles - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
typelib-1_0-JavaScriptCore-4_0 - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
typelib-1_0-WebKit2WebExtension-4_0 - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_0-18 - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_0-37 - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
typelib-1_0-WebKit2-4_0 - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk3-debugsource - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_0-18-debuginfo - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk3-devel - addressed in versions 2.48.5-4.41.1, 2.48.5-150200.150.1, 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk3-soup2-minibrowser-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
typelib-1_0-WebKit2-4_1 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk3-soup2-devel - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
typelib-1_0-WebKit2WebExtension-4_1 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
typelib-1_0-WebKit-6_0 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit-jsc-4.1 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
typelib-1_0-WebKitWebProcessExtension-6_0 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_1-0 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk3-minibrowser-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkitgtk-6_0-injected-bundles - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_1-0-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit-jsc-4 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit-jsc-4-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk4-devel - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk4-minibrowser - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_1-0-32bit-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
typelib-1_0-JavaScriptCore-4_1 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_0-37-64bit-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_0-18-64bit - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_1-0-64bit - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_0-18-64bit-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_1-0-64bit-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_0-37-64bit - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_1-0-64bit-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_1-0-64bit - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkitgtk-6_0-4 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_0-37-32bit-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_1-0-32bit - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_0-37-32bit - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_0-18-32bit - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_1-0-32bit-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-4_0-18-32bit-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_1-0-32bit - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
WebKitGTK-4.0-lang - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
WebKitGTK-6.0-lang - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
WebKitGTK-4.1-lang - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkitgtk-6_0-4-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_1-0 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk-4_1-injected-bundles - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk4-minibrowser-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk3-soup2-debugsource - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit-jsc-6.0 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk3-soup2-minibrowser - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk3-minibrowser - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
typelib-1_0-JavaScriptCore-6_0 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit-jsc-6.0-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libwebkit2gtk-4_1-0-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-6_0-1 - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk4-debugsource - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
libjavascriptcoregtk-6_0-1-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit-jsc-4.1-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkitgtk-6_0-injected-bundles-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1
webkit2gtk-4_1-injected-bundles-debuginfo - addressed in versions 2.48.5-150400.4.122.1, 2.48.5-150600.12.43.1

• https://support.apple.com/en-us/124149
• https://webkitgtk.org/security/WSA-2025-0005.html

• Multiple vulnerabilities in WebKitGTK+ and WPE WebKit
• Multiple vulnerabilities in macOS Sequoia
• Multiple vulnerabilities in Apple Safari
• Fedora 41 update for webkitgtk
• Fedora 42 update for webkitgtk
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• Red Hat Enterprise Linux 9 update for webkit2gtk3
• Red Hat Enterprise Linux 8 update for webkit2gtk3
• Anolis OS update for webkit2gtk3
• Anolis OS update for webkit2gtk3
• Anolis OS update for webkit2gtk3
• Anolis OS update for webkit2gtk3
• Debian update for webkit2gtk
• Ubuntu update for webkit2gtk
• Red Hat Enterprise Linux 9 update for webkit2gtk3
• Red Hat Enterprise Linux 9 update for webkit2gtk3
• Red Hat Enterprise Linux 9 update for webkit2gtk3
• Red Hat Enterprise Linux 8 update for webkit2gtk3
• Red Hat Enterprise Linux 8 update for webkit2gtk3
• Red Hat Enterprise Linux 8 update for webkit2gtk3
• Red Hat Enterprise Linux 8 update for webkit2gtk3
• SUSE update for webkit2gtk3
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for webkitgtk4
• Anolis OS update for webkitgtk
• Multiple vulnerabilities in IBM Cloud Pak for Multicloud Management
• Gentoo update for WebKitGTK+