In Wireshark 2.4.0 to 2.4.11, the ENIP dissector could crash. This was addressed in epan/dissectors/packet-enip.c by changing the memory-management approach so that a use-after-free is avoided.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-5721.json"