Mario Areias discovered that dom4j, a XML framework for Java, was vulnerable to a XML injection attack. An attacker able to specify attributes or elements in the XML document might be able to modify the whole XML document.
This update also removes non-free files from the source package and the dependency on backport-util-concurrent. It requires the new dependency libmsv-java though.
For Debian 7 Wheezy, these problems have been fixed in version 1.6.1+dfsg.3-2+deb7u1.
We recommend that you upgrade your dom4j packages.
Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/