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Gentoo Linux Security Advisory                           GLSA 201801-09
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: WebkitGTK+: Multiple vulnerabilities
     Date: January 07, 2018
     Bugs: #641752
       ID: 201801-09

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Synopsis
========

Multiple vulnerabilities have been found in WebkitGTK+, the worst of
which may lead to arbitrary code execution.

Background
==========

WebKitGTK+ is a full-featured port of the WebKit rendering engine.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  net-libs/webkit-gtk         < 2.18.4:4               >= 2.18.4:4 

Description
===========

Multiple vulnerabilities have been discovered in WebkitGTK+. Please
review the referenced CVE Identifiers for details.

Impact
======

An attacker, by enticing a user to visit maliciously crafted web
content, may be able to execute arbitrary code or cause memory
corruption.

Workaround
==========

There are no known workarounds at this time.

Resolution
==========

All WebkitGTK+ users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=net-libs/webkit-gtk-2.18.4:4"

References
==========

[ 1 ] CVE-2017-13856
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-13856
[ 2 ] CVE-2017-13866
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-13866
[ 3 ] CVE-2017-13870
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-13870
[ 4 ] CVE-2017-7156
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7156
[ 5 ] CVE-2017-7157
      https://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-7157

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/201801-09

Concerns?
=========