Debian DSA-2086-1 Critical: Avahi Denial Of Service Details

Several vulnerabilities have been discovered in the Avahi mDNS/DNS-SD
daemon. The Common Vulnerabilities and Exposures project identifies
the following problems:

CVE-2009-0758

Rob Leslie discovered a denial of service vulnerability in the
code used to reflect unicast mDNS traffic.

CVE-2010-2244

Ludwig Nussel discovered a denial of service vulnerability in
the processing of malformed DNS packets.

For the stable distribution (lenny), this problem has been fixed in
version 0.6.23-3lenny2.

For the unstable distribution (sid), these problems have been fixed in
version 0.6.26-1.

We recommend that you upgrade your Avahi packages.


Upgrade instructions
- --------------------

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
will update the internal database
apt-get upgrade
will install corrected packages

You may use an automat...