The ipmi_fmt_udpport function in epan/dissectors/packet-ipmi.c in the IPMI dissector in Wireshark 2.0.x before 2.0.1 improperly attempts to access a packet scope, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a crafted packet.
https://security.gentoo.org/glsa/201604-05
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11831
http://www.wireshark.org/security/wnpa-sec-2015-57.html