In Eclipse Vert.x versions [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the Vert.x HTTP/1.x decoder uses a canonicalization for well known HTTP headers, the canonicalization process interprets well crafted headers as headers of this l…

{
                    "vendor": "Eclipse Foundation",
                    "product": "Eclipse Vert.x",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "5.0.0",
                            "lessThanOrEqual": "5.0.12",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "5.1.0",
                            "lessThanOrEqual": "5.1.9",
                            "versionType": "semver"
                        },
                        {
                            "status": "affected",
                            "version": "5.2.0",
                            "versionType": "semver"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }