Gentoo: 201701-56 Normal: zlib Flaws Leading To DoS Risk
gentoo
January 23, 2017
Multiple vulnerabilities have been found in zlib, the worst of which could allow attackers to cause a Denial of Service condition.
Summary
Multiple vulnerabilities have been discovered in zlib. Please review the CVE identifiers referenced below for details.
Topics Covered
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
style>.gentoo_availability{display:block;}
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.
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Severity: Normal
Title: zlib: Multiple vulnerabilities
Date: January 23, 2017
Bugs: #601828
ID: 201701-56
Topics Covered
Background
zlib is a widely used free and patent unencumbered data compression
library.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
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1 sys-libs/zlib < 1.2.9 >= 1.2.9
Impact
=====
An attacker could cause a Denial of Service condition.
Workaround
There is no known workaround at this time.
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