Multiple Integer underflows in the geonet_print function in tcpdump 4.5.0 through 4.6.2, when in verbose mode, allow remote attackers to cause a denial of service (segmentation fault and crash) via a crafted length value in a Geonet frame.
http://lists.opensuse.org/opensuse-updates/2015-02/msg00062.html
http://packetstormsecurity.com/files/129156/tcpdump-4.6.2-Geonet-Denial-Of-Service.html
http://seclists.org/fulldisclosure/2014/Nov/48
http://www.exploit-db.com/exploits/35359
http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html
http://www.securityfocus.com/archive/1/534010/100/0/threaded
http://www.securityfocus.com/bid/71155