Buffer overflow in das_watchdog 0.9.0 allows local users to execute arbitrary code with root privileges via a large string in the XAUTHORITY environment variable.
https://github.com/kmatheussen/das_watchdog/commit/bd20bb02e75e2c0483832b52f2577253febfb690
http://www.securityfocus.com/bid/73706
http://www.openwall.com/lists/oss-security/2015/04/02/13