With document ID c02887276 on 2011/07/18 an advisory for HP Data Protector (6.0, 6.10, 6.11) was released, which describes a potential security problem with media menagement daemon allowing a denial of service attack.
There is a solution, installation of current patches. All 32 bit platforms are affected.
The complete advisory can be read here: http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c02887276&jumpid=em_alerts_us-us_Jul11_xbu_all_all_1350108_90916_software_critical_005_38