In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the MP4 dissector could crash. This was addressed in epan/dissectors/file-mp4.c by restricting the box recursion depth.
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13777
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html