Format string vulnerability in fontsleuth in QNX Neutrino RTOS 6.3.0 allows local users to execute arbitrary code via format string specifiers in the zeroth argument (program name).
https://exchange.xforce.ibmcloud.com/vulnerabilities/24559
http://www.vupen.com/english/advisories/2006/0474
http://www.securityfocus.com/bid/16539
http://www.idefense.com/intelligence/vulnerabilities/display.php?id=380