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Ubuntu Security Notice USN-4331-1
April 20, 2020
webkit2gtk vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 19.10
– Ubuntu 18.04 LTS
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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 19.10:
libjavascriptcoregtk-4.0-18 2.28.1-0ubuntu0.19.10.1
libwebkit2gtk-4.0-37 2.28.1-0ubuntu0.19.10.1
Ubuntu 18.04 LTS:
libjavascriptcoregtk-4.0-18 2.28.1-0ubuntu0.18.04.1
libwebkit2gtk-4.0-37 2.28.1-0ubuntu0.18.04.1
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://usn.ubuntu.com/4331-1
CVE-2020-11793
Package Information:
https://launchpad.net/ubuntu/+source/webkit2gtk/2.28.1-0ubuntu0.19.10.1
https://launchpad.net/ubuntu/+source/webkit2gtk/2.28.1-0ubuntu0.18.04.1
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