Home / mailings

PDF

[gentoo-announce] [ GLSA 201701-56 ] zlib: Multiple vulnerabilities

Posted on 23 January 2017
Gentoo-announce

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--Itvx8cLcOUkf2dgKqc3r3xXOgq2T0rI2u
Content-Type: multipart/mixed; boundary="fnX3HjfncIaesAarah6r1L5K4fncCuV5S"
From: Aaron Bauman <bman@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <056b6fe1-0515-f25a-0016-c5062b322918@gentoo.org>
Subject: [ GLSA 201701-56 ] zlib: Multiple vulnerabilities

--fnX3HjfncIaesAarah6r1L5K4fncCuV5S
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 201701-56
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
https://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: zlib: Multiple vulnerabilities
Date: January 23, 2017
Bugs: #601828
ID: 201701-56

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

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


--fnX3HjfncIaesAarah6r1L5K4fncCuV5S--

--Itvx8cLcOUkf2dgKqc3r3xXOgq2T0rI2u
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

 

TOP