Ubuntu alert USN-4261-1 (webkit2gtk)

From:
             
 
Marc Deslauriers <marc.deslauriers@canonical.com> 
To:
             
 
"ubuntu-security-announce@lists.ubuntu.com" <ubuntu-security-announce@lists.ubuntu.com> 
Subject:
             
 
[USN-4261-1] WebKitGTK+ vulnerabilities 
Date:
             
 
Wed, 29 Jan 2020 16:11:26 -0500
Message-ID:
             
 
<7e501442-50dd-c244-e6ee-1387dbcf254e@canonical.com>
==========================================================================
Ubuntu Security Notice USN-4261-1
January 29, 2020

webkit2gtk vulnerabilities
==========================================================================

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     2.26.3-0ubuntu0.19.10.1
  libwebkit2gtk-4.0-37            2.26.3-0ubuntu0.19.10.1

Ubuntu 18.04 LTS:
  libjavascriptcoregtk-4.0-18     2.26.3-0ubuntu0.18.04.1
  libwebkit2gtk-4.0-37            2.26.3-0ubuntu0.18.04.1

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://usn.ubuntu.com/4261-1
  CVE-2019-8835, CVE-2019-8844, CVE-2019-8846

Package Information:
  https://launchpad.net/ubuntu/+source/webkit2gtk/2.26.3-0u...
  https://launchpad.net/ubuntu/+source/webkit2gtk/2.26.3-0u...

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