Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2023-42950

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Main Vulnerability Database Vulnerabilities #VU87765

Use-after-free in WebKitGTK+ and WPE WebKit - CVE-2023-42950

Published: March 25, 2024 / Updated: December 4, 2024


Vulnerability identifier: #VU87765
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-2023-42950
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content in WebKit. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

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


Affected software

WebKitGTK+
WPE WebKit
tvOS
Debian Linux
Gentoo Linux
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise Software Development Kit 12
SUSE Linux Enterprise Desktop 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing 12
SUSE Linux Enterprise Server for SAP Applications 12
watchOS
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Enterprise Storage
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
SUSE Linux Enterprise Workstation Extension 12
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
SUSE Linux Enterprise Server 15 SP4 LTSS
SUSE Linux Enterprise Desktop 15 SP4 LTSS
Development Tools Module
Desktop Applications Module
Basesystem Module
openSUSE Leap
iPadOS
Apple iOS
openEuler
Ubuntu
Anolis OS
Fedora
macOS
Oracle Java SE
Oracle GraalVM Enterprise Edition
IBM Observability with Instana
IBM Cloud Pak for Multicloud Management
net-libs/webkit-gtk
libjavascriptcoregtk-4.0-18 (Ubuntu package)
libjavascriptcoregtk-6.0-1 (Ubuntu package)
libwebkit2gtk-4.0-37 (Ubuntu package)
libwebkitgtk-6.0-4 (Ubuntu package)
javascriptcoregtk4.0
webkitgtk6.0-devel
webkitgtk6.0
webkit2gtk4.1-devel
webkit2gtk4.1
webkit2gtk4.0-devel
webkit2gtk4.0
javascriptcoregtk6.0-devel
javascriptcoregtk6.0
javascriptcoregtk4.1-devel
javascriptcoregtk4.1
javascriptcoregtk4.0-devel
webkitgtk6.0-doc
webkit2gtk4.1-doc
webkit2gtk4.0-doc
webkit2gtk3-devel
typelib-1_0-WebKit2WebExtension-4_0
webkit2gtk3-debugsource
libjavascriptcoregtk-4_0-18-debuginfo
libjavascriptcoregtk-4_0-18
webkit2gtk-4_0-injected-bundles-debuginfo
libwebkit2gtk-4_0-37
typelib-1_0-WebKit2-4_0
libwebkit2gtk-4_0-37-debuginfo
typelib-1_0-JavaScriptCore-4_0
webkit2gtk-4_0-injected-bundles
libwebkit2gtk3-lang
libjavascriptcoregtk-4_0-18-32bit
libjavascriptcoregtk-4_0-18-64bit-debuginfo
webkit2gtk4-minibrowser
libwebkit2gtk-4_1-0-64bit
libwebkit2gtk-4_0-37-64bit
libjavascriptcoregtk-4_0-18-64bit
libjavascriptcoregtk-4_1-0-64bit
libwebkit2gtk-4_1-0-64bit-debuginfo
libwebkit2gtk-4_0-37-64bit-debuginfo
libjavascriptcoregtk-4_1-0-64bit-debuginfo
libwebkitgtk-6_0-4
libwebkit2gtk-4_1-0
webkit2gtk4-debugsource
libjavascriptcoregtk-6_0-1-debuginfo
webkit-jsc-4.1
WebKitGTK-4.0-lang
WebKitGTK-4.1-lang
WebKitGTK-6.0-lang
webkit2gtk-4_1-injected-bundles
webkit-jsc-6.0-debuginfo
typelib-1_0-JavaScriptCore-6_0
libjavascriptcoregtk-4_1-0
webkitgtk-6_0-injected-bundles-debuginfo
webkit-jsc-4
libjavascriptcoregtk-6_0-1
typelib-1_0-JavaScriptCore-4_1
libjavascriptcoregtk-4_1-0-32bit-debuginfo
webkit2gtk4-minibrowser-debuginfo
webkit2gtk3-soup2-devel
libjavascriptcoregtk-4_1-0-debuginfo
webkit2gtk4-devel
webkit-jsc-6.0
libwebkit2gtk-4_1-0-debuginfo
typelib-1_0-WebKitWebProcessExtension-6_0
webkit2gtk3-soup2-debugsource
webkitgtk-6_0-injected-bundles
webkit2gtk3-minibrowser
typelib-1_0-WebKit2WebExtension-4_1
webkit2gtk3-soup2-minibrowser-debuginfo
webkit2gtk-4_1-injected-bundles-debuginfo
libwebkit2gtk-4_0-37-32bit-debuginfo
libwebkit2gtk-4_1-0-32bit-debuginfo
libwebkit2gtk-4_1-0-32bit
libjavascriptcoregtk-4_1-0-32bit
libjavascriptcoregtk-4_0-18-32bit-debuginfo
libwebkit2gtk-4_0-37-32bit
webkit-jsc-4-debuginfo
webkit2gtk3-soup2-minibrowser
libwebkitgtk-6_0-4-debuginfo
webkit-jsc-4.1-debuginfo
typelib-1_0-WebKit2-4_1
webkit2gtk3-minibrowser-debuginfo
typelib-1_0-WebKit-6_0
webkit2gtk (Debian package)
webkit2gtk3 (Red Hat package)
webkitgtk4 (Red Hat package)
java-latest-openjdk-jmods
java-latest-openjdk-src
java-latest-openjdk-javadoc-zip
java-latest-openjdk-javadoc
java-latest-openjdk-headless-slowdebug
java-latest-openjdk-headless
java-latest-openjdk-devel-slowdebug
java-latest-openjdk-devel
java-latest-openjdk-demo-slowdebug
java-latest-openjdk-demo
java-latest-openjdk
java-latest-openjdk-src-slowdebug
java-latest-openjdk-slowdebug
java-latest-openjdk-jmods-slowdebug
libjavascriptcoregtk-4.1-0 (Ubuntu package)
libwebkit2gtk-4.1-0 (Ubuntu package)

How to mitigate CVE-2023-42950

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

tvOS - update to 17.2
watchOS - update to 10.2
iPadOS - update to 17.2 21C62
Apple iOS - update to 17.2 21C62
IBM Observability with Instana - update to 286
IBM Cloud Pak for Multicloud Management - update to 2.3 FP11
net-libs/webkit-gtk - update to 2.42.3
libjavascriptcoregtk-4.0-18 (Ubuntu package) - addressed in versions 2.44.0-0ubuntu0.22.04.1, 2.44.0-0ubuntu0.23.10.1
libjavascriptcoregtk-4.1-0 (Ubuntu package) - addressed in versions 2.44.0-0ubuntu0.22.04.1, 2.44.0-0ubuntu0.23.10.1
libjavascriptcoregtk-6.0-1 (Ubuntu package) - addressed in versions 2.44.0-0ubuntu0.22.04.1, 2.44.0-0ubuntu0.23.10.1
libwebkit2gtk-4.0-37 (Ubuntu package) - addressed in versions 2.44.0-0ubuntu0.22.04.1, 2.44.0-0ubuntu0.23.10.1
libwebkit2gtk-4.1-0 (Ubuntu package) - addressed in versions 2.44.0-0ubuntu0.22.04.1, 2.44.0-0ubuntu0.23.10.1
libwebkitgtk-6.0-4 (Ubuntu package) - addressed in versions 2.44.0-0ubuntu0.22.04.1, 2.44.0-0ubuntu0.23.10.1
javascriptcoregtk4.0 - update to 2.44.0-1
webkitgtk6.0-devel - update to 2.44.0-1
webkitgtk6.0 - update to 2.44.0-1
webkit2gtk4.1-devel - update to 2.44.0-1
webkit2gtk4.1 - update to 2.44.0-1
webkit2gtk4.0-devel - update to 2.44.0-1
webkit2gtk4.0 - update to 2.44.0-1
javascriptcoregtk6.0-devel - update to 2.44.0-1
javascriptcoregtk6.0 - update to 2.44.0-1
javascriptcoregtk4.1-devel - update to 2.44.0-1
javascriptcoregtk4.1 - update to 2.44.0-1
javascriptcoregtk4.0-devel - update to 2.44.0-1
webkitgtk6.0-doc - update to 2.44.0-1
webkit2gtk4.1-doc - update to 2.44.0-1
webkit2gtk4.0-doc - update to 2.44.0-1
webkit2gtk3-devel - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
typelib-1_0-WebKit2WebExtension-4_0 - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
webkit2gtk3-debugsource - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
libjavascriptcoregtk-4_0-18-debuginfo - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
libjavascriptcoregtk-4_0-18 - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
webkit2gtk-4_0-injected-bundles-debuginfo - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
libwebkit2gtk-4_0-37 - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
typelib-1_0-WebKit2-4_0 - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
libwebkit2gtk-4_0-37-debuginfo - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
typelib-1_0-JavaScriptCore-4_0 - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
webkit2gtk-4_0-injected-bundles - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
libwebkit2gtk3-lang - addressed in versions 2.44.0-4.3.2, 2.44.0-150200.107.1, 2.44.2-4.7.1
libjavascriptcoregtk-4_0-18-32bit - addressed in versions 2.44.0-4.3.2, 2.44.0-150400.4.78.1, 2.44.2-4.7.1
libjavascriptcoregtk-4_0-18-64bit-debuginfo - update to 2.44.0-150400.4.78.1
webkit2gtk4-minibrowser - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_1-0-64bit - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_0-37-64bit - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-4_0-18-64bit - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-4_1-0-64bit - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_1-0-64bit-debuginfo - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_0-37-64bit-debuginfo - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-4_1-0-64bit-debuginfo - update to 2.44.0-150400.4.78.1
libwebkitgtk-6_0-4 - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_1-0 - update to 2.44.0-150400.4.78.1
webkit2gtk4-debugsource - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-6_0-1-debuginfo - update to 2.44.0-150400.4.78.1
webkit-jsc-4.1 - update to 2.44.0-150400.4.78.1
WebKitGTK-4.0-lang - update to 2.44.0-150400.4.78.1
WebKitGTK-4.1-lang - update to 2.44.0-150400.4.78.1
WebKitGTK-6.0-lang - update to 2.44.0-150400.4.78.1
webkit2gtk-4_1-injected-bundles - update to 2.44.0-150400.4.78.1
webkit-jsc-6.0-debuginfo - update to 2.44.0-150400.4.78.1
typelib-1_0-JavaScriptCore-6_0 - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-4_1-0 - update to 2.44.0-150400.4.78.1
webkitgtk-6_0-injected-bundles-debuginfo - update to 2.44.0-150400.4.78.1
webkit-jsc-4 - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-6_0-1 - update to 2.44.0-150400.4.78.1
typelib-1_0-JavaScriptCore-4_1 - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-4_1-0-32bit-debuginfo - update to 2.44.0-150400.4.78.1
webkit2gtk4-minibrowser-debuginfo - update to 2.44.0-150400.4.78.1
webkit2gtk3-soup2-devel - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-4_1-0-debuginfo - update to 2.44.0-150400.4.78.1
webkit2gtk4-devel - update to 2.44.0-150400.4.78.1
webkit-jsc-6.0 - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_1-0-debuginfo - update to 2.44.0-150400.4.78.1
typelib-1_0-WebKitWebProcessExtension-6_0 - update to 2.44.0-150400.4.78.1
webkit2gtk3-soup2-debugsource - update to 2.44.0-150400.4.78.1
webkitgtk-6_0-injected-bundles - update to 2.44.0-150400.4.78.1
webkit2gtk3-minibrowser - update to 2.44.0-150400.4.78.1
typelib-1_0-WebKit2WebExtension-4_1 - update to 2.44.0-150400.4.78.1
webkit2gtk3-soup2-minibrowser-debuginfo - update to 2.44.0-150400.4.78.1
webkit2gtk-4_1-injected-bundles-debuginfo - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_0-37-32bit-debuginfo - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_1-0-32bit-debuginfo - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_1-0-32bit - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-4_1-0-32bit - update to 2.44.0-150400.4.78.1
libjavascriptcoregtk-4_0-18-32bit-debuginfo - update to 2.44.0-150400.4.78.1
libwebkit2gtk-4_0-37-32bit - update to 2.44.0-150400.4.78.1
webkit-jsc-4-debuginfo - update to 2.44.0-150400.4.78.1
webkit2gtk3-soup2-minibrowser - update to 2.44.0-150400.4.78.1
libwebkitgtk-6_0-4-debuginfo - update to 2.44.0-150400.4.78.1
webkit-jsc-4.1-debuginfo - update to 2.44.0-150400.4.78.1
typelib-1_0-WebKit2-4_1 - update to 2.44.0-150400.4.78.1
webkit2gtk3-minibrowser-debuginfo - update to 2.44.0-150400.4.78.1
typelib-1_0-WebKit-6_0 - update to 2.44.0-150400.4.78.1
webkit2gtk4.0 - update to 2.44.1-1.fc40
webkit2gtk (Debian package) - addressed in versions 2.44.1-1~deb11u1, 2.44.1-1~deb12u1
webkit2gtk3 (Red Hat package) - update to 2.44.3-2.el9
webkitgtk4 (Red Hat package) - update to 2.48.3-2.el7_9
macOS - update to 14.2 23C64
java-latest-openjdk-jmods - update to 23.0.1.11-1
java-latest-openjdk-src - update to 23.0.1.11-1
java-latest-openjdk-javadoc-zip - update to 23.0.1.11-1
java-latest-openjdk-javadoc - update to 23.0.1.11-1
java-latest-openjdk-headless-slowdebug - update to 23.0.1.11-1
java-latest-openjdk-headless - update to 23.0.1.11-1
java-latest-openjdk-devel-slowdebug - update to 23.0.1.11-1
java-latest-openjdk-devel - update to 23.0.1.11-1
java-latest-openjdk-demo-slowdebug - update to 23.0.1.11-1
java-latest-openjdk-demo - update to 23.0.1.11-1
java-latest-openjdk - update to 23.0.1.11-1
java-latest-openjdk-src-slowdebug - update to 23.0.1.11-1
java-latest-openjdk-slowdebug - update to 23.0.1.11-1
java-latest-openjdk-jmods-slowdebug - update to 23.0.1.11-1

External References

Related Security Bulletins