The dio package 4.0.0 for Dart allows CRLF injection if the attacker controls the HTTP method string, a different vulnerability than CVE-2020-35669.
{ "versions": [ { "introduced": "4.0.0" }, { "fixed": "5.0.0" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31402.json"