USN-7817-1: WebKitGTK vulnerabilities

USN-7817-1: WebKitGTK vulnerabilities

• Publication date: 9 October 2025
• Overview: Several security issues were fixed in WebKitGTK.

Packages
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
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.

The problem can be corrected by updating your system to the following package versions:The problem can be corrected by updating your system to the following package versions:

25.04 plucky

• libjavascriptcoregtk-4.1-0 – 2.48.7-0ubuntu0.25.04.2
• libjavascriptcoregtk-6.0-1 – 2.48.7-0ubuntu0.25.04.2
• libwebkit2gtk-4.1-0 – 2.48.7-0ubuntu0.25.04.2
• libwebkitgtk-6.0-4 – 2.48.7-0ubuntu0.25.04.2

24.04 LTS noble

• libjavascriptcoregtk-4.1-0 – 2.48.7-0ubuntu0.24.04.2
• libjavascriptcoregtk-6.0-1 – 2.48.7-0ubuntu0.24.04.2
• libwebkit2gtk-4.1-0 – 2.48.7-0ubuntu0.24.04.2
• libwebkitgtk-6.0-4 – 2.48.7-0ubuntu0.24.04.2

22.04 LTS jammy

• libjavascriptcoregtk-4.0-18 – 2.48.7-0ubuntu0.22.04.2
• libjavascriptcoregtk-4.1-0 – 2.48.7-0ubuntu0.22.04.2
• libjavascriptcoregtk-6.0-1 – 2.48.7-0ubuntu0.22.04.2
• libwebkit2gtk-4.0-37 – 2.48.7-0ubuntu0.22.04.2
• libwebkit2gtk-4.1-0 – 2.48.7-0ubuntu0.22.04.2
• libwebkitgtk-6.0-4 – 2.48.7-0ubuntu0.22.04.2