USN-3303-1: WebKitGTK+ vulnerabilities

Ubuntu Security Notice USN-3303-1

30th May, 2017

webkit2gtk vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

  • Ubuntu 17.04
  • Ubuntu 16.10
  • Ubuntu 16.04 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 version:

Ubuntu 17.04:
libwebkit2gtk-4.0-37

2.16.3-0ubuntu0.17.04.1
libjavascriptcoregtk-4.0-18

2.16.3-0ubuntu0.17.04.1
Ubuntu 16.10:
libwebkit2gtk-4.0-37

2.16.3-0ubuntu0.16.10.1
libjavascriptcoregtk-4.0-18

2.16.3-0ubuntu0.16.10.1
Ubuntu 16.04 LTS:
libwebkit2gtk-4.0-37

2.16.3-0ubuntu0.16.04.1
libjavascriptcoregtk-4.0-18

2.16.3-0ubuntu0.16.04.1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

CVE-2017-2496,

CVE-2017-2510,

CVE-2017-2539


Source From: ubuntu.com.
Original article title: USN-3303-1: WebKitGTK+ vulnerabilities.
This full article can be read at: USN-3303-1: WebKitGTK+ vulnerabilities.

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