CVE-2021-43797Published

HTTP fails to validate against control chars in header names which may lead to HTTP request smuggling

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2021-43797

Published

netty

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "netty",
                    "product": "netty",
                    "versions": [
                        {
                            "version": "<= 4.1.7.0.Final",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON