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Gentoo Linux Security Advisory GLSA 201701-56
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https://security.gentoo.org/
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Severity: Normal
Title: zlib: Multiple vulnerabilities
Date: January 23, 2017
Bugs: #601828
ID: 201701-56
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Synopsis
========
Multiple vulnerabilities have been found in zlib, the worst of which
could allow attackers to cause a Denial of Service condition.
Background
==========
zlib is a widely used free and patent unencumbered data compression
library.
Affected packages
=================
——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 sys-libs/zlib < 1.2.9 >= 1.2.9
Description
===========
Multiple vulnerabilities have been discovered in zlib. Please review
the CVE identifiers referenced below for details.
Impact
======
An attacker could cause a Denial of Service condition.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All zlib users should upgrade to the latest version:
# emerge –sync
# emerge –ask –oneshot –verbose “>=sys-libs/zlib-1.2.9”
References
==========
[ 1 ] CVE-2016-9840
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9840
[ 2 ] CVE-2016-9841
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9841
[ 3 ] CVE-2016-9842
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9842
[ 4 ] CVE-2016-9843
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9843
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201701-56
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 2017 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.
http://creativecommons.org/licenses/by-sa/2.5
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