Provide references for CVE-2019-12421.
Where can I find more information about CVE-2019-12421?
References are available at: https://nifi.apache.org/security.html#CVE-2019-12421, https://lists.apache.org/thread.html/rca37935d661f4689cb4119f1b3b224413b22be161b678e6e6ce0c69b%40%3Ccommits.nifi.apache.org%3E.