Buffer overflows in Computer Associates MLink (CA-MLink) 6.5 and earlier may allow local users to execute arbitrary code via long command line arguments to (1) mlclear or (2) mllock.
https://exchange.xforce.ibmcloud.com/vulnerabilities/8776
http://www.securityfocus.com/bid/4441
http://www.securityfocus.com/bid/4440
http://www.securityfocus.com/archive/1/266052