Source: http://www.securityfocus.com/bid/53653/info

Wireshark is prone to a denial-of-service vulnerability. 

An attacker can exploit this issue to crash the affected application, denying service to legitimate users. 

Wireshark versions 1.6.0 through 1.6.7 and versions 1.4.0 through 1.4.12 are vulnerable.

PoC:
http://www.exploit-db.com/sploits/18920.pcap

