Gentoo: GLSA-202101-37: VLC: Buffer overflow

Date 28 Jan 2021

Category Gentoo Linux Distribution - Security Advisories

189

Posted By LinuxSecurity Advisories

A buffer overflow in VLC might allow remote attacker(s) to execute arbitrary code.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory                           GLSA 202101-37
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
                                           https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

 Severity: Normal
    Title: VLC: Buffer overflow
     Date: January 29, 2021
     Bugs: #765040
       ID: 202101-37

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

A buffer overflow in VLC might allow remote attacker(s) to execute
arbitrary code.

Background
==========

VLC is a cross-platform media player and streaming server.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  media-video/vlc             < 3.0.12.1               >= 3.0.12.1

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

VLC was found to have a buffer overflow when handling crafted MKV
files.

Impact
======

A remote attacker could entice a user to open a specially crafted MKV
file using VLC possibly resulting in execution of arbitrary code with
the privileges of the process or a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All VLC users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=media-video/vlc-3.0.12.1"

References
==========

[ 1 ] CVE-2020-26664
      https://nvd.nist.gov/vuln/detail/CVE-2020-26664

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

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

 https://security.gentoo.org/glsa/202101-37

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
This email address is being protected from spambots. You need JavaScript enabled to view it. or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2021 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