Ubuntu 5255-1: WebKitGTK vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: libjavascriptcoregtk-4.0-18 2.34.4-0ubuntu0.21.10.1 libwebkit2gtk-4.0-37 2.34.4-0ubuntu0.21.10.1 Ubuntu 20.04 LTS: libjavascriptcoregtk-4.0-18 2.34.4-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37 2.34.4-0ubuntu0.20.04.1 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-5255-1
CVE-2021-30934, CVE-2021-30936, CVE-2021-30951, CVE-2021-30952,
CVE-2021-30953, CVE-2021-30954, CVE-2021-30984
Package Information
https://launchpad.net/ubuntu/+source/webkit2gtk/2.34.4-0ubuntu0.21.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.34.4-0ubuntu0.20.04.1