In Wireshark 2.2.0 to 2.2.5, the DOF dissector could go into an infinite loop, triggered by packet injection or a malformed capture file. This was addressed in epan/dissectors/packet-dof.c by using a different integer data type and adjusting a return value.
www.securityfocus.com/bid/97634
www.securitytracker.com/id/1038262
bugs.wireshark.org/bugzilla/show_bug.cgi?id=13453
code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=6032b0fe5fc1176ab77e03e20765f95fbd21b19e
code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=da53a90b6895e47e03c5de05edf84bd99d535fd8
security.gentoo.org/glsa/201706-12
www.wireshark.org/security/wnpa-sec-2017-17.html