========================================================================== Ubuntu Security Notice USN-7957-1 January 13, 2026
webkit2gtk vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 25.10 - Ubuntu 25.04 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in WebKitGTK. Software Description: - webkit2gtk: Web content engine library for GTK+ Details: Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution. Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 25.10 libjavascriptcoregtk-4.1-0 2.50.4-0ubuntu0.25.10.1 libjavascriptcoregtk-6.0-1 2.50.4-0ubuntu0.25.10.1 libwebkit2gtk-4.1-0 2.50.4-0ubuntu0.25.10.1 libwebkitgtk-6.0-4 2.50.4-0ubuntu0.25.10.1 Ubuntu 25.04 libjavascriptcoregtk-4.1-0 2.50.4-0ubuntu0.25.04.1 libjavascriptcoregtk-6.0-1 2.50.4-0ubuntu0.25.04.1 libwebkit2gtk-4.1-0 2.50.4-0ubuntu0.25.04.1 libwebkitgtk-6.0-4 2.50.4-0ubuntu0.25.04.1 Ubuntu 24.04 LTS libjavascriptcoregtk-4.1-0 2.50.4-0ubuntu0.24.04.1 libjavascriptcoregtk-6.0-1 2.50.4-0ubuntu0.24.04.1 libwebkit2gtk-4.1-0 2.50.4-0ubuntu0.24.04.1 libwebkitgtk-6.0-4 2.50.4-0ubuntu0.24.04.1 Ubuntu 22.04 LTS libjavascriptcoregtk-4.0-18 2.50.4-0ubuntu0.22.04.1 libjavascriptcoregtk-4.1-0 2.50.4-0ubuntu0.22.04.1 libjavascriptcoregtk-6.0-1 2.50.4-0ubuntu0.22.04.1 libwebkit2gtk-4.0-37 2.50.4-0ubuntu0.22.04.1 libwebkit2gtk-4.1-0 2.50.4-0ubuntu0.22.04.1 libwebkitgtk-6.0-4 2.50.4-0ubuntu0.22.04.1 This update uses a new upstream release, which includes additional bug fixes. After a standard system update you need to restart any applications that use WebKitGTK, such as Epiphany, to make all the necessary changes. References: https://ubuntu.com/security/notices/USN-7957-1 CVE-2025-14174, CVE-2025-43501, CVE-2025-43529, CVE-2025-43531, CVE-2025-43535, CVE-2025-43536, CVE-2025-43541 Package Information: https://launchpad.net/ubuntu/+source/webkit2gtk/2.50.4-0ubuntu0.25.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.50.4-0ubuntu0.25.04.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.50.4-0ubuntu0.24.04.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.50.4-0ubuntu0.22.04.1
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