[ GLSA 200408-26 ] zlib: Denial of service vulnerability

GLSA · Last edited by GLSA on Tue May 23, 2006 4:17 am; edited 2 times in total

Gentoo Linux Security Advisory

Title: zlib: Denial of service vulnerability (GLSA 200408-26)
Severity: normal
Exploitable: remote
Date: August 27, 2004
Updated: May 22, 2006
Bug(s): #61749
ID: 200408-26

Synopsis

The zlib library contains a Denial of Service vulnerability.

Background

zlib is a general-purpose data-compression library.

Affected Packages

Package: sys-libs/zlib
Vulnerable: <= 1.2.1-r2
Unaffected: >= 1.2.1-r3
Architectures: All supported architectures

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: