Ubuntu Security Notice USN-5394-1

==========================================================================Ubuntu Security Notice USN-5394-1April 28, 2022webkit2gtk vulnerabilities==========================================================================A security issue affects these releases of Ubuntu and its derivatives:- Ubuntu 21.10- Ubuntu 20.04 LTSSummary: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 andJavaScript engines. If a user were tricked into viewing a maliciouswebsite, a remote attacker could exploit a variety of issues related to webbrowser security, including cross-site scripting attacks, denial of serviceattacks, and arbitrary code execution.Update instructions:The problem can be corrected by updating your system to the followingpackage versions:Ubuntu 21.10:  libjavascriptcoregtk-4.0-18     2.36.0-0ubuntu0.21.10.3  libwebkit2gtk-4.0-37            2.36.0-0ubuntu0.21.10.3Ubuntu 20.04 LTS:  libjavascriptcoregtk-4.0-18     2.36.0-0ubuntu0.20.04.3  libwebkit2gtk-4.0-37            2.36.0-0ubuntu0.20.04.3This update uses a new upstream release, which includes additional bugfixes. After a standard system update you need to restart any applicationsthat use WebKitGTK, such as Epiphany, to make all the necessary changes.References:  https://ubuntu.com/security/notices/USN-5394-1  CVE-2022-22624, CVE-2022-22628, CVE-2022-22629, CVE-2022-22637Package Information:  https://launchpad.net/ubuntu/+source/webkit2gtk/2.36.0-0ubuntu0.21.10.3  https://launchpad.net/ubuntu/+source/webkit2gtk/2.36.0-0ubuntu0.20.04.3