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 reject a zero length, 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