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Gentoo Linux Security Advisory                           GLSA 202003-41
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: GNU FriBidi: Heap-based buffer overflow
     Date: March 19, 2020
     Bugs: #699338
       ID: 202003-41

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Synopsis
========

A heap-based buffer overflow in GNU FriBidi might allow remote
attackers to execute arbitrary code.

Background
==========

The Free Implementation of the Unicode Bidirectional Algorithm.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/fribidi             < 1.0.8                    >= 1.0.8

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

A heap-based buffer overflow vulnerability was found in GNU FriBidi.

Impact
======

A remote attacker could possibly cause a memory corruption, execute
arbitrary code with the privileges of the process or cause a Denial of
Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All FriBidi users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-libs/fribidi-1.0.8"

References
==========

[ 1 ] CVE-2019-18397
      https://nvd.nist.gov/vuln/detail/CVE-2019-18397

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

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

 https://security.gentoo.org/glsa/202003-41

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



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