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Gentoo Linux Security Advisory                           GLSA 201811-07
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: Pango: Denial of Service
     Date: November 10, 2018
     Bugs: #664108
       ID: 201811-07

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Synopsis
========

A vulnerability in Pango could result in a Denial of Service condition.

Background
==========

Library for layout and rendering of internationalized text.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  x11-libs/pango               < 1.42.4                  >= 1.42.4

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

Processing certain invalid Emoji sequences in a GTK+ application can
trigger a reachable assertion resulting in an application crash.

Impact
======

A remote attacker could provide a specially crafted Emoji sequences,
possibly resulting in a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Pango users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/pango-1.42.4"

References
==========

[ 1 ] CVE-2018-15120
      https://nvd.nist.gov/vuln/detail/CVE-2018-15120

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

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

 https://security.gentoo.org/glsa/201811-07

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 2018 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