In Wireshark 2.4.0 to 2.4.4 and 2.2.0 to 2.2.12, the UMTS MAC dissector could crash. This was addressed in epan/dissectors/packet-umts_mac.c by rejecting a certain reserved value.
www.securityfocus.com/bid/103162
bugs.wireshark.org/bugzilla/show_bug.cgi?id=14339
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=8ed705e1227d3d582e3f0de435bba606d053d686
lists.debian.org/debian-lts-announce/2018/04/msg00018.html
www.debian.org/security/2018/dsa-4217
www.wireshark.org/security/wnpa-sec-2018-07.html