Bug in libxml2 v2.7.0-2.7.2 Affecting Wordpress

There is a bug that prevents the updating of wordpress posts using XML-RPC if you are using libxml2 versions 2.7.0-2.7.2 and php 5.2.9. Here are links describing the problem:
PHP5 and LIBXML2 XML Parse Bug – GlowHost Web Hosting Forums
Conclusion of libxml2 Issues – Use PHP 5.2.9 & libxml2 2.7.3 || Joseph Scott
I am upgrading to [...]