In Wireshark 2.2.0 to 2.2.1 and 2.0.0 to 2.0.7, the DTN dissector could go into an infinite loop, triggered by network traffic or a capture file. This was addressed in epan/dissectors/packet-dtn.c by checking whether SDNV evaluation was successful.Referenceshttps://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=be6a10afc59f8182b9884d02f9857d547539fe8ahttp://www.securitytracker.com/id/1037313https://www.wireshark.org/security/wnpa-sec-2016-62.htmlhttp://www.debian.org/security/2016/dsa-3719https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=13097http://www.securityfocus.com/bid/94369