HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
{
"severity": "CRITICAL",
"cwe_ids": [
"CWE-444"
],
"nvd_published_at": "2020-01-29T21:15:00Z",
"github_reviewed_at": "2020-02-20T20:54:33Z",
"github_reviewed": true
}