wireshark: MEGACO dissector infinite loop (wnpa-sec-2014-13)

The tvbrawtextadd function in epan/dissectors/packet-megaco.c in the MEGACO dissector in Wireshark 1.10.x before 1.10.10 and 1.12.x before 1.12.1 allows remote attackers to cause a denial of service infinite loop via an empty line...