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Gentoo Linux Security Advisory                           GLSA 201811-12
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: GPL Ghostscript: Multiple vulnerabilities
     Date: November 24, 2018
     Bugs: #618820, #626418, #635426, #655404, #668846, #671732
       ID: 201811-12

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Synopsis
========

Multiple vulnerabilities have been found in GPL Ghostscript, the worst
of which could result in the execution of arbitrary code.

Background
==========

Ghostscript is an interpreter for the PostScript language and for PDF.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  app-text/ghostscript-gpl
                                   < 9.26                     >= 9.26 

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

Multiple vulnerabilities have been discovered in GPL Ghostscript.
Please review the CVE identifiers referenced below for additional
information.

Impact
======

A context-dependent attacker could entice a user to open a specially
crafted PostScript file or PDF document using GPL Ghostscript possibly
resulting in the execution of arbitrary code with the privileges of the
process, a Denial of Service condition, or other unspecified impacts,

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GPL Ghostscript users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose
 ">=app-text/ghostscript-gpl-9.26"

References
==========

[  1 ] CVE-2017-11714
       https://nvd.nist.gov/vuln/detail/CVE-2017-11714
[  2 ] CVE-2017-7948
       https://nvd.nist.gov/vuln/detail/CVE-2017-7948
[  3 ] CVE-2017-9610
       https://nvd.nist.gov/vuln/detail/CVE-2017-9610
[  4 ] CVE-2017-9611
       https://nvd.nist.gov/vuln/detail/CVE-2017-9611
[  5 ] CVE-2017-9612
       https://nvd.nist.gov/vuln/detail/CVE-2017-9612
[  6 ] CVE-2017-9618
       https://nvd.nist.gov/vuln/detail/CVE-2017-9618
[  7 ] CVE-2017-9619
       https://nvd.nist.gov/vuln/detail/CVE-2017-9619
[  8 ] CVE-2017-9620
       https://nvd.nist.gov/vuln/detail/CVE-2017-9620
[  9 ] CVE-2017-9726
       https://nvd.nist.gov/vuln/detail/CVE-2017-9726
[ 10 ] CVE-2017-9727
       https://nvd.nist.gov/vuln/detail/CVE-2017-9727
[ 11 ] CVE-2017-9739
       https://nvd.nist.gov/vuln/detail/CVE-2017-9739
[ 12 ] CVE-2017-9740
       https://nvd.nist.gov/vuln/detail/CVE-2017-9740
[ 13 ] CVE-2017-9835
       https://nvd.nist.gov/vuln/detail/CVE-2017-9835
[ 14 ] CVE-2018-10194
       https://nvd.nist.gov/vuln/detail/CVE-2018-10194
[ 15 ] CVE-2018-15908
       https://nvd.nist.gov/vuln/detail/CVE-2018-15908
[ 16 ] CVE-2018-15909
       https://nvd.nist.gov/vuln/detail/CVE-2018-15909
[ 17 ] CVE-2018-15910
       https://nvd.nist.gov/vuln/detail/CVE-2018-15910
[ 18 ] CVE-2018-15911
       https://nvd.nist.gov/vuln/detail/CVE-2018-15911
[ 19 ] CVE-2018-16509
       https://nvd.nist.gov/vuln/detail/CVE-2018-16509
[ 20 ] CVE-2018-16510
       https://nvd.nist.gov/vuln/detail/CVE-2018-16510
[ 21 ] CVE-2018-16511
       https://nvd.nist.gov/vuln/detail/CVE-2018-16511
[ 22 ] CVE-2018-16513
       https://nvd.nist.gov/vuln/detail/CVE-2018-16513
[ 23 ] CVE-2018-16539
       https://nvd.nist.gov/vuln/detail/CVE-2018-16539
[ 24 ] CVE-2018-16540
       https://nvd.nist.gov/vuln/detail/CVE-2018-16540
[ 25 ] CVE-2018-16541
       https://nvd.nist.gov/vuln/detail/CVE-2018-16541
[ 26 ] CVE-2018-16542
       https://nvd.nist.gov/vuln/detail/CVE-2018-16542
[ 27 ] CVE-2018-16543
       https://nvd.nist.gov/vuln/detail/CVE-2018-16543
[ 28 ] CVE-2018-16585
       https://nvd.nist.gov/vuln/detail/CVE-2018-16585
[ 29 ] CVE-2018-16802
       https://nvd.nist.gov/vuln/detail/CVE-2018-16802
[ 30 ] CVE-2018-18284
       https://nvd.nist.gov/vuln/detail/CVE-2018-18284
[ 31 ] CVE-2018-19409
       https://nvd.nist.gov/vuln/detail/CVE-2018-19409

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

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

 https://security.gentoo.org/glsa/201811-12

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

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