getID3() before 1.9.8, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an XML External Entity (XXE) attack.
https://wordpress.org/news/2014/08/wordpress-3-9-2/
http://www.debian.org/security/2014/dsa-3001
http://secunia.com/advisories/58002
http://owncloud.org/about/security/advisories/oC-SA-2014-006/