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",
"github_reviewed": true,
"github_reviewed_at": "2019-09-30T14:47:35Z",
"severity": "HIGH",
"cwe_ids": [
"CWE-444"
]
}