Multiple format string vulnerabilities in Yet Another Radius Daemon (YARD RADIUS) 1.1.2 allow context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via format string specifiers in a request in the (1) log_msg function in log.c or (2) version or (3) build_version function in version.c.
https://exchange.xforce.ibmcloud.com/vulnerabilities/85892
http://seclists.org/oss-sec/2013/q3/145