The dissect_ber_GeneralizedTime function in epan/dissectors/packet-ber.c in the BER dissector in Wireshark 1.12.x before 1.12.9 and 2.0.x before 2.0.1 improperly checks an sscanf return value, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.
https://security.gentoo.org/glsa/201604-05
http://www.wireshark.org/security/wnpa-sec-2015-39.html
http://www.securitytracker.com/id/1034551
http://www.securityfocus.com/bid/79814
http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html