zlib: Denial of service vulnerability
Gentoo Linux Security Advisory
||GLSA 200408-26 / zlib
||August 27, 2004
||May 22, 2006: 02
All supported architectures
The zlib library contains a Denial of Service vulnerability.
zlib is a general-purpose data-compression library.
zlib contains a bug in the handling of errors in the "inflate()" and
An attacker could exploit this vulnerability to launch a Denial of
Service attack on any application using the zlib library.
There is no known workaround at this time. All users are encouraged to
upgrade to the latest available version of zlib.
All zlib users should upgrade to the latest version:
Code Listing 3.1: Resolution
# 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 :
Code Listing 3.2: Resolution