Netty before 4.1.42.Final mishandles whitespace before the colon in HTTP headers (such as a "Transfer-Encoding : chunked" line), which leads to HTTP request smuggling.
{ "nvd_published_at": "2019-09-26T16:15:00Z", "cwe_ids": [ "CWE-444" ], "severity": "HIGH", "github_reviewed": true, "github_reviewed_at": "2019-09-30T14:47:35Z" }