In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.
Created wireshark tracking bugs for this issue:
Affects: fedora-all [bug 1886048]
Wireshark as shipped with Red Hat Enterprise Linux 5, 6, and 7 is not affected by this flaw because the Facebook Zero Dissector was not yet introduced until version 2.4.0rc0.