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Gentoo Linux Security Advisory 201811-19

Gentoo Linux Security Advisory 201811-19
Posted Nov 27, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201811-19 - Multiple vulnerabilities have been found in Libav, the worst of which may allow a Denial of Service condition. Versions less than 12.3 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2017-16803, CVE-2017-7862
MD5 | bd854710a74492af81414b741424dc83

Gentoo Linux Security Advisory 201811-19

Change Mirror Download
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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 >= 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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