Ubuntu 4939-1: WebKitGTK vulnerabilities
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: libjavascriptcoregtk-4.0-18 2.32.0-0ubuntu0.20.10.1 libwebkit2gtk-4.0-37 2.32.0-0ubuntu0.20.10.1 Ubuntu 20.04 LTS: libjavascriptcoregtk-4.0-18 2.32.0-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37 2.32.0-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: libjavascriptcoregtk-4.0-18 2.32.0-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 2.32.0-0ubuntu0.18.04.1 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-4939-1
CVE-2021-1788, CVE-2021-1844, CVE-2021-1871
Package Information
https://launchpad.net/ubuntu/+source/webkit2gtk/2.32.0-0ubuntu0.20.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.32.0-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.32.0-0ubuntu0.18.04.1