In Wireshark 3.0.x before 3.0.8, the BT ATT dissector could crash. This was addressed in epan/dissectors/packet-btatt.c by validating opcodes.Referenceshttps://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16258https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=01f261de41f4dd3233ef578e5c0ffb9c25c7d14dhttps://www.wireshark.org/security/wnpa-sec-2020-02.htmlhttps://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
