HPACK-indexed cookie fields in Mint HTTP/2 responses bypass max_header_list_size and exhaust client memory

{
                    "collectionURL": "https://repo.hex.pm",
                    "cpes": [
                        "cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.Mint.HTTP2'"
                    ],
                    "packageName": "mint",
                    "packageURL": "pkg:hex/mint",
                    "product": "mint",
                    "programFiles": [
                        "lib/mint/http2.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.Mint.HTTP2':stream/2"
                        },
                        {
                            "name": "'Elixir.Mint.HTTP2':decode_hbf_and_add_responses/5"
                        },
                        {
                            "name": "'Elixir.Mint.HTTP2':join_cookie_headers/1"
                        }
                    ],
                    "repo": "https://github.com/elixir-mint/mint",
                    "vendor": "elixir-mint",
                    "versions": [
                        {
                            "lessThan": "1.10.2",
                            "status": "affected",
                            "version": "1.1.0",
                            "versionType": "semver"
                        }
                    ]
                }

{
                    "collectionURL": "https://github.com",
                    "cpes": [
                        "cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*"
                    ],
                    "defaultStatus": "unaffected",
                    "modules": [
                        "'Elixir.Mint.HTTP2'"
                    ],
                    "packageName": "elixir-mint/mint",
                    "packageURL": "pkg:github/elixir-mint/mint",
                    "product": "mint",
                    "programFiles": [
                        "lib/mint/http2.ex"
                    ],
                    "programRoutines": [
                        {
                            "name": "'Elixir.Mint.HTTP2':stream/2"
                        },
                        {
                            "name": "'Elixir.Mint.HTTP2':decode_hbf_and_add_responses/5"
                        },
                        {
                            "name": "'Elixir.Mint.HTTP2':join_cookie_headers/1"
                        }
                    ],
                    "repo": "https://github.com/elixir-mint/mint",
                    "vendor": "elixir-mint",
                    "versions": [
                        {
                            "changes": [
                                {
                                    "at": "c7895cb022196c77ec35570c8e873a84393ff4b8",
                                    "status": "unaffected"
                                },
                                {
                                    "at": "65a0d61c9eab6b0dedac809de7212515bf506250",
                                    "status": "unaffected"
                                }
                            ],
                            "lessThan": "*",
                            "status": "affected",
                            "version": "8e0e04680476f90f9f68db4dfeabcbe66dabfc4d",
                            "versionType": "git"
                        }
                    ]
                }