wireshark: Dissector table crash (wnpa-sec-2015-23)

The dissector-table implementation in epan/packet.c in Wireshark 1.12.x before 1.12.7 mishandles table searches for empty strings, which allows remote attackers to cause a denial of service application crash via a crafted packet, related to the 1 dissectorgetstringhandle and 2...