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.
https://www.wireshark.org/security/wnpa-sec-2018-07.html
https://www.debian.org/security/2018/dsa-4217
https://lists.debian.org/debian-lts-announce/2018/04/msg00018.html