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Ubuntu 20.10 USN-4648-1 Moderate: WebKitGTK Security Issues

ubuntu
Calendar Grey November 26, 2020
Dist Ubuntu Esm H88
Numerous vulnerabilities identified in WebKitGTK for Ubuntu systems. The potential for remote exploitation necessitates urgent updates to ensure security.
Several security issues were fixed in WebKitGTK.

Summary

Several security issues were fixed in WebKitGTK.

Software Description:

- webkit2gtk: Web content engine library for GTK+

Details:

A large number of security issues were discovered in the WebKitGTK Web and

JavaScript engines. If a user were tricked into viewing a malicious

website, a remote attacker could exploit a variety of issues related to web

browser security, including cross-site scripting attacks, denial of service

attacks, and arbitrary code execution.

Topics%20covered

Topics Covered

security advisory remote code execution cross-site scripting DoS Ubuntu security issues WebKitGTK

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 20.10:
  libjavascriptcoregtk-4.0-18     2.30.3-0ubuntu0.20.10.1
  libwebkit2gtk-4.0-37            2.30.3-0ubuntu0.20.10.1

Ubuntu 20.04 LTS:
  libjavascriptcoregtk-4.0-18     2.30.3-0ubuntu0.20.04.1
  libwebkit2gtk-4.0-37            2.30.3-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  libjavascriptcoregtk-4.0-18     2.30.3-0ubuntu0.18.04.1
  libwebkit2gtk-4.0-37            2.30.3-0ubuntu0.18.04.1

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-4648-1

CVE-2020-13753, CVE-2020-9948, CVE-2020-9951, CVE-2020-9952,

CVE-2020-9983

Severity
important
Lowest
Low
Medium
High
Critical

November 26, 2020

Topics%20covered

Topics Covered

security advisory remote code execution cross-site scripting DoS Ubuntu security issues WebKitGTK

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.30.3-0ubuntu0.20.10.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.30.3-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.30.3-0ubuntu0.18.04.1

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