The dissect_lbmr_pser function in epan/dissectors/packet-lbmr.c in the LBMR dissector in Wireshark 1.12.x before 1.12.5 does not properly track the current offset, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.
https://security.gentoo.org/glsa/201510-03
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11036
http://www.wireshark.org/security/wnpa-sec-2015-12.html