– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
Gentoo Linux Security Advisory GLSA 202003-41
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –
https://security.gentoo.org/
– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

Severity: Normal
Title: GNU FriBidi: Heap-based buffer overflow
Date: March 19, 2020
Bugs: #699338
ID: 202003-41

– – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – – –

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

—–BEGIN PGP SIGNATURE—–
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=uZOm
—–END PGP SIGNATURE—–