In Wireshark 2.6.0 to 2.6.2, 2.4.0 to 2.4.8, and 2.2.0 to 2.2.16, the Bluetooth Attribute Protocol dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by verifying that a dissector for a specific UUID exists.
lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
www.securityfocus.com/bid/105174
www.securitytracker.com/id/1041609
bugs.wireshark.org/bugzilla/show_bug.cgi?id=14994
code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=f98fbce64cb230e94a2cafc410a3cedad657b485
www.debian.org/security/2018/dsa-4315
www.wireshark.org/security/wnpa-sec-2018-45.html