source: http://www.securityfocus.com/bid/48389/info

Wireshark is prone to a remote denial-of-service vulnerability caused by a NULL-pointer-dereference error.

An attacker can exploit this issue to crash the application, resulting in a denial-of-service condition.

Wireshark 1.4.5 is vulnerable. 

https://github.com/offensive-security/exploit-database-bin-sploits/raw/master/bin-sploits/35873.pcap