libfep 0.0.5 before 0.1.0 does not properly use UNIX domain sockets in the abstract namespace, which allows local users to gain privileges via unspecified vectors.
https://github.com/ueno/libfep/commit/293d9d3f
https://euvd.enisa.europa.eu/vulnerability/EUVD-2014-3913
http://www.securityfocus.com/bid/67903