USN-4331-1: WebKitGTK+ vulnerability webkit2gtk vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 18.04 LTS Summary Several security issues were fixed in WebKitGTK+. Software Description webkit2gtk – Web content engine library for GTK+ Details A large number of 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 19.10 libjavascriptcoregtk-4.0-18 – 2.28.1-0ubuntu0.19.10.1 libwebkit2gtk-4.0-37 – 2.28.1-0ubuntu0.19.10.1 Ubuntu 18.04 LTS libjavascriptcoregtk-4.0-18 – 2.28.1-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 – 2.28.1-0ubuntu0.18.04.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. This update uses a new upstream release, [ more… ]