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Gentoo Linux Security Advisory                           GLSA 202012-10
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: WebkitGTK+: Multiple vulnerabilities
      Date: December 23, 2020
      Bugs: #755947
        ID: 202012-10

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Synopsis
=======
Multiple vulnerabilities have been found in WebKitGTK+, the worst of
which could result in the arbitrary execution of code.

Background
=========
WebKitGTK+ is a full-featured port of the WebKit rendering engine,
suitable for projects requiring any kind of web integration, from
hybrid HTML/CSS applications to full-fledged web browsers.

Affected packages
================
     -------------------------------------------------------------------
      Package              /     Vulnerable     /            Unaffected
     -------------------------------------------------------------------
   1  net-libs/webkit-gtk          < 2.30.3                  >= 2.30.3

Description
==========
Multiple vulnerabilities have been discovered in WebKitGTK+. Please
review the CVE identifiers referenced below 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 is no known workaround at this time.

Resolution
=========
All WebkitGTK+ users should upgrade to the latest version:

   # emerge --sync
   # emerge --ask --oneshot --verbose ">=net-libs/webkit-gtk-2.30.3"

References
=========
[ 1 ] CVE-2020-13543
       https://nvd.nist.gov/vuln/detail/CVE-2020-13543
[ 2 ] CVE-2020-13584
       https://nvd.nist.gov/vuln/detail/CVE-2020-13584
[ 3 ] CVE-2020-9948
       https://nvd.nist.gov/vuln/detail/CVE-2020-9948
[ 4 ] CVE-2020-9951
       https://nvd.nist.gov/vuln/detail/CVE-2020-9951
[ 5 ] CVE-2020-9952
       https://nvd.nist.gov/vuln/detail/CVE-2020-9952
[ 6 ] CVE-2020-9983
       https://nvd.nist.gov/vuln/detail/CVE-2020-9983
[ 7 ] WSA-2020-0008
       https://webkitgtk.org/security/WSA-2020-0008.html
[ 8 ] WSA-2020-0009
       https://webkitgtk.org/security/WSA-2020-0009.html

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

  https://security.gentoo.org/glsa/202012-10

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2020 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/