AsyncHttpClient: Resumable download index store is created world-readable and follows a planted symlink

{
                    "vendor": "AsyncHttpClient",
                    "product": "async-http-client",
                    "versions": [
                        {
                            "version": ">= 2.0.0, < 2.16.1",
                            "status": "affected"
                        },
                        {
                            "version": ">= 3.0.0, < 3.0.12",
                            "status": "affected"
                        }
                    ]
                }