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Ubuntu 20.10: 4739-1 Critical Alert on WebKitGTK Code Execution Threats

ubuntu
Calendar Grey February 18, 2021
Dist Ubuntu Esm H88
A multitude of vulnerabilities addressed in WebKitGTK for Ubuntu users to bolster defenses against potential threats.
Several security issues were fixed in WebKitGTK.

Summary

Topics%20covered

Topics Covered

security advisory security issue update critical remote code execution Ubuntu web security ubuntu dos webkitgtk webkitGTK

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: libjavascriptcoregtk-4.0-18 2.30.5-0ubuntu0.20.10.1 libwebkit2gtk-4.0-37 2.30.5-0ubuntu0.20.10.1 Ubuntu 20.04 LTS: libjavascriptcoregtk-4.0-18 2.30.5-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37 2.30.5-0ubuntu0.20.04.1 Ubuntu 18.04 LTS: libjavascriptcoregtk-4.0-18 2.30.5-0ubuntu0.18.04.1 libwebkit2gtk-4.0-37 2.30.5-0ubuntu0.18.04.1 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-4739-1

CVE-2020-13558

Severity
critical
Lowest
Low
Medium
High
Critical

February 18, 2021

Topics%20covered

Topics Covered

security advisory security issue update critical remote code execution Ubuntu web security ubuntu dos webkitgtk webkitGTK

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.30.5-0ubuntu0.20.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.30.5-0ubuntu0.20.04.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.30.5-0ubuntu0.18.04.1

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