[ GLSA 201811-19 ] Libav: Multiple vulnerabilities


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Gentoo Linux Security Advisory GLSA 201811-19
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https://security.gentoo.org/
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Severity: Normal
Title: Libav: Multiple vulnerabilities
Date: November 27, 2018
Bugs: #637458
ID: 201811-19

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Synopsis
========

Multiple vulnerabilities have been found in Libav, the worst of which
may allow a Denial of Service condition.

Background
==========

Libav is a complete solution to record, convert and stream audio and
video.

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

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 media-video/libav = 12.3

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

Multiple vulnerabilities have been discovered in Libav. Please review
the CVE identifiers referenced below for details.

Impact
======

A remote attacker, via a crafted Smacker stream, could cause a Denial
of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Libav users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=media-video/libav-12.3”

References
==========

[ 1 ] CVE-2017-16803
https://nvd.nist.gov/vuln/detail/CVE-2017-16803
[ 2 ] CVE-2017-7862
https://nvd.nist.gov/vuln/detail/CVE-2017-7862

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

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

https://security.gentoo.org/glsa/201811-19

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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