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Ubuntu 21.10 USN-5127-1 Critical: WebKitGTK Remote Code Execution

ubuntu
Calendar Grey November 1, 2021
Dist Ubuntu Esm H88
Essential security patches for WebKitGTK in Ubuntu have been released, targeting various vulnerabilities that could lead to remote code execution and denial-of-service incidents.
Several security issues were fixed in WebKitGTK.

Summary

Topics%20covered

Topics Covered

security advisory update code execution DoS Ubuntu threats WebKitGTK

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: libjavascriptcoregtk-4.0-18 2.34.1-0ubuntu0.21.10.1 libwebkit2gtk-4.0-37 2.34.1-0ubuntu0.21.10.1 Ubuntu 21.04: libjavascriptcoregtk-4.0-18 2.34.1-0ubuntu0.21.04.1 libwebkit2gtk-4.0-37 2.34.1-0ubuntu0.21.04.1 Ubuntu 20.04 LTS: libjavascriptcoregtk-4.0-18 2.34.1-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37 2.34.1-0ubuntu0.20.04.1 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-5127-1

CVE-2021-30846, CVE-2021-30851, CVE-2021-42762

Severity
critical
Lowest
Low
Medium
High
Critical

November 01, 2021

Topics%20covered

Topics Covered

security advisory update code execution DoS Ubuntu threats WebKitGTK

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.34.1-0ubuntu0.21.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.34.1-0ubuntu0.21.04.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.34.1-0ubuntu0.20.04.1

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