Debian: DSA-1666-1 Critical: libxml2 DoS Threat Resolution

Drew Yao discovered that missing input sanitising in the
xmlBufferResize() function may lead to an infinite loop,
resulting in denial of service.

CVE-2008-4226

Drew Yao discovered that an integer overflow in the
xmlSAX2Characters() function may lead to denial of service or
the execution of arbitrary code.

For the stable distribution (etch), these problems have been fixed in
version 2.6.27.dfsg-6.

For the upcoming stable distribution (lenny) and the unstable
distribution (sid), these problems will be fixed soon.

We recommend that you upgrade your libxml2 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 automated update by adding...