Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2023-42970

Vulnerability identifier: #VU109257

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-42970

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when handling HTML content. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

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

Install updates from vendor's website.

WebKitGTK+ - update to 2.42.0
WPE WebKit - update to 2.42.0
Apple iOS - addressed in versions 17.0 21A326, 17.0 21A327, 17.0 21A329, 17.0 21A331
webkit2gtk-4.1 - update to 2.48.2-1
webkit2gtk - update to 2.48.2-1
wpewebkit - update to 2.48.2-1
webkitgtk-6.0 - update to 2.48.2-1
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
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
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
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
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
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
webkit2gtk4-debugsource - 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
webkit-jsc-4 - 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_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-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
libjavascriptcoregtk-4_1-0-32bit - 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
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
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
webkit2gtk-4_1-injected-bundles - 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
typelib-1_0-JavaScriptCore-6_0 - 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-4.0-lang - 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
WebKitGTK-4.1-lang - 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
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
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
libwebkit2gtk-4_1-0-debuginfo - 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
webkitgtk4 (Red Hat package) - update to 2.48.3-2.el7_9
watchOS - update to 10.0
macOS - update to 14.0 23A344
iPadOS - update to 17.0
tvOS - update to 17.0
Apple Safari - update to 17.0

• https://webkitgtk.org/security/WSA-2025-0004.html

• Multiple vulnerabilities in WebKitGTK+ and WPE WebKit
• Arch Linux update for webkitgtk-6.0
• Arch Linux update for webkit2gtk-4.1
• Arch Linux update for webkit2gtk
• Arch Linux update for wpewebkit
• Multiple vulnerabilities in Apple watchOS 10
• Multiple vulnerabilities in Apple Safari 17
• Multiple vulnerabilities in Apple tvOS 17
• Multiple vulnerabilities in Apple macOS Sonoma
• Multiple vulnerabilities in Apple iOS 17 and iPadOS 17
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• SUSE update for webkit2gtk3
• Red Hat Enterprise Linux 7 Extended Lifecycle Support update for webkitgtk4