Buffer overflow in the ndp_msg_opt_dnssl_domain function in libndp allows remote routers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted DNS Search List (DNSSL) in an IPv6 router advertisement.
http://www.openwall.com/lists/oss-security/2014/07/29/2
https://bugzilla.redhat.com/show_bug.cgi?id=1118583