Ubuntu 4894-1: 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 2.30.6-0ubuntu0.20.10.1 libwebkit2gtk-4.0-37 2.30.6-0ubuntu0.20.10.1 Ubuntu 20.04 LTS: libjavascriptcoregtk-4.0-18 2.30.6-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37 2.30.6-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: libjavascriptcoregtk-4.0-18 2.30.6-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 2.30.6-0ubuntu0.18.04.1 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-4894-1
CVE-2020-27918, CVE-2020-29623, CVE-2021-1765, CVE-2021-1789,
CVE-2021-1799, CVE-2021-1801, CVE-2021-1870
Package Information
https://launchpad.net/ubuntu/+source/webkit2gtk/2.30.6-0ubuntu0.20.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.30.6-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.30.6-0ubuntu0.18.04.1