In Wireshark 2.6.0 to 2.6.5 and 2.4.0 to 2.4.11, the ISAKMP dissector could crash. This was addressed in epan/dissectors/packet-isakmp.c by properly handling the case of a missing decryption data block.
{ "versions": [ { "introduced": "2.4.0" }, { "last_affected": "2.4.11" }, { "introduced": "2.6.0" }, { "last_affected": "2.6.5" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-5719.json"
[ { "events": [ { "introduced": "0" }, { "last_affected": "8.0" } ] }, { "events": [ { "introduced": "0" }, { "last_affected": "9.0" } ] } ]