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Ubuntu 21.10 USN-5213-1 Critical: WebKitGTK Remote Code Execution

ubuntu
Calendar Grey January 6, 2022
Dist Ubuntu Esm H88
Uncover solutions to vulnerabilities within WebKitGTK that pose significant risks across various Ubuntu releases, enabling potential exploitation.
Several security issues were fixed in WebKitGTK.

Summary

Topics%20covered

Topics Covered

security advisory denial of service remote code execution system update web browser ubuntu webkitgtk

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 21.10: libjavascriptcoregtk-4.0-18 2.34.3-0ubuntu0.21.10.1 libwebkit2gtk-4.0-37 2.34.3-0ubuntu0.21.10.1 Ubuntu 21.04: libjavascriptcoregtk-4.0-18 2.34.3-0ubuntu0.21.04.1 libwebkit2gtk-4.0-37 2.34.3-0ubuntu0.21.04.1 Ubuntu 20.04 LTS: libjavascriptcoregtk-4.0-18 2.34.3-0ubuntu0.20.04.1 libwebkit2gtk-4.0-37 2.34.3-0ubuntu0.20.04.1 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-5213-1

CVE-2021-30887, CVE-2021-30890

Severity
critical
Lowest
Low
Medium
High
Critical

January 06, 2022

Topics%20covered

Topics Covered

security advisory denial of service remote code execution system update web browser ubuntu webkitgtk

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.34.3-0ubuntu0.21.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.34.3-0ubuntu0.21.04.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.34.3-0ubuntu0.20.04.1

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