Debian: DSA-1953-2 Moderate: Expat Denial Of Service Issue

For the old stable distribution (etch), this problem has been fixed in
version 1.95.8-3.4+etch3.

For the stable distribution (lenny), this problem has been fixed in
version 2.0.1-4+lenny3.

For the testing distribution (squeeze) and the unstable distribution
(sid), this problem will be fixed soon.

We recommend that you upgrade your expat packages.

For reference, the original advisory text is provided below.

Jan Lieskovsky discovered an error in expat, an XML parsing C library,
when parsing certain UTF-8 sequences, which can be exploited to crash an
application using the library.

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 automated update by adding the resources from the
footer to the prop...