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Ubuntu 18.04 and 18.10: USN-3948-1 Critical WebKitGTK+ Exploit

ubuntu
Calendar Grey April 16, 2019
Dist Ubuntu Esm H88
Important vulnerabilities were addressed in WebKitGTK+ for Ubuntu versions 18.10 and 18.04 LTS. Ensure your systems are secure!
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 exploit critical ubuntu webkit2gtk public exposure

Update Instructions

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

Ubuntu 18.10:
  libjavascriptcoregtk-4.0-18     2.24.1-0ubuntu0.18.10.2
  libwebkit2gtk-4.0-37            2.24.1-0ubuntu0.18.10.2

Ubuntu 18.04 LTS:
  libjavascriptcoregtk-4.0-18     2.24.1-0ubuntu0.18.04.1
  libwebkit2gtk-4.0-37            2.24.1-0ubuntu0.18.04.1

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-3948-1

CVE-2019-11070, CVE-2019-6251, CVE-2019-8375, CVE-2019-8506,

CVE-2019-8518, CVE-2019-8523, CVE-2019-8524, CVE-2019-8535,

CVE-2019-8536, CVE-2019-8544, CVE-2019-8551, CVE-2019-8558,

CVE-2019-8559, CVE-2019-8563

Severity
critical
Lowest
Low
Medium
High
Critical

April 16, 2019

Topics%20covered

Topics Covered

security advisory remote exploit critical ubuntu webkit2gtk public exposure

Package Information

https://launchpad.net/ubuntu/+source/webkit2gtk/2.24.1-0ubuntu0.18.10.2
https://launchpad.net/ubuntu/+source/webkit2gtk/2.24.1-0ubuntu0.18.04.1

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