CS-MARS 6.1.5 and 6.1.6

Old news but for completeness if you are still maintaining a Cisco MARS box, then there are two updates available, the last being in Sept 2012.

Release notes for CS-MARS 6.1.5
http://www.cisco.com/en/US/docs/security/security_management/cs-mars/6.1/release/notes/Release_Notes_for_Cisco_Security_MARS_Local_Controller_6.1.html

Release notes for CS-MARS 6.1.6
http://www.cisco.com/en/US/docs/security/security_management/cs-mars/6.1/release/notes/rnote_616.html