In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the NBAP dissector could crash. This was addressed in epan/dissectors/asn1/nbap/nbap.cnf by ensuring DCH ID initialization.Referenceshttps://lists.debian.org/debian-lts-announce/2018/04/msg00018.htmlhttps://www.debian.org/security/2018/dsa-4217https://www.wireshark.org/security/wnpa-sec-2018-14.htmlhttp://www.securityfocus.com/bid/103159https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14443https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=bebd3a1f50b0a27738d8d3da5b33c1b392eb7273
