A X.Org X11 library security update has been released for Gentoo Linux to address multiple vulnerabilities that can result in the arbitrary execution of code.

gentoo-announce: GLSA 202008-18 : X.Org X11 library: Multiple vulnerabilities

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Gentoo Linux Security Advisory GLSA 202008-18
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  https://security.gentoo.org/
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Severity: Normal
Title: X.Org X11 library: Multiple vulnerabilities
Date: August 27, 2020
Bugs: #734974, #738984
ID: 202008-18

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Synopsis
=======
Multiple vulnerabilities have been found in X.org X11 library, the
worst of which could result in the arbitrary execution of code.

Background
=========
X.Org is an implementation of the X Window System. The X.Org X11
library provides the X11 protocol library files.

Affected packages
================
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Package / Vulnerable / Unaffected
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1 x11-libs/libX11 < 1.6.12 >= 1.6.12

Description
==========
Multiple vulnerabilities have been discovered in X.org X11 library.
Please review the CVE identifiers referenced below for details.

Impact
=====
Please review the referenced CVE identifiers for details.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All X.org X11 library users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/libX11-1.6.12"

References
=========
[ 1 ] CVE-2020-14344
  https://nvd.nist.gov/vuln/detail/CVE-2020-14344
[ 2 ] CVE-2020-14363
  https://nvd.nist.gov/vuln/detail/CVE-2020-14363

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

  https://security.gentoo.org/glsa/202008-18

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