In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the DNS dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dns.c by trying to detect self-referencing pointers.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2017-9345.json"