In Wireshark 2.4.0, 2.2.0 to 2.2.8, and 2.0.0 to 2.0.14, the IrCOMM dissector has a buffer over-read and application crash. This was addressed in plugins/irda/packet-ircomm.c by adding length validation.
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13929
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html