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Gentoo Linux Security Advisory GLSA 200408-26
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https://security.gentoo.org/
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Severity: Normal
Title: zlib: Denial of service vulnerability
Date: August 27, 2004
Bugs: #61749
ID: 200408-26
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Synopsis
=======
The zlib library contains a Denial of Service vulnerability.
Background
=========
zlib is a general-purpose data-compression library.
Affected packages
================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-libs/zlib <= 1.2.1-r2 >= 1.2.1-r3
Description
==========
zlib contains a bug in the handling of errors in the "inflate()" and
"inflateBack()" functions.
Impact
=====
An attacker could exploit this vulnerability to launch a Denial of
Service attack on any application using the zlib library.
Workaround
=========
There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version of zlib.
Resolution
=========
All zlib users should upgrade to the latest version:
# emerge sync
# emerge -pv ">=sys-libs/zlib-1.2.1-r3"
# emerge ">=sys-libs/zlib-1.2.1-r3"
You should also run revdep-rebuild to rebuild any packages that depend
on older versions of zlib :
# revdep-rebuild
References
=========
[ 1 ] OpenPKG-SA-2004.038-zlib
http://meta.openpkg.org/global-sitemap.php
Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/200408-26
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 2004 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/1.0/
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