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Ubuntu 20.10: USN-4894-1 High Severity WebKitGTK Exploits

ubuntu
Calendar Grey March 29, 2021
Dist Ubuntu Esm H88
Recent patches for WebKitGTK address severe vulnerabilities such as potential remote code execution and service disruption.
Several security issues were fixed in WebKitGTK.

Summary

Topics%20covered

Topics Covered

security advisory denial of service high severity remote code execution Ubuntu system update WebKitGTK

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.10: libjavascriptcoregtk-4.0-18 2.30.6-0ubuntu0.20.10.1 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

March 29, 2021

Topics%20covered

Topics Covered

security advisory denial of service high severity remote code execution Ubuntu system update WebKitGTK

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

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