CVE-2026-43966 HTTP Response Splitting via Non-VCHAR Bytes in cow_http_struct_hd:escape_string/2

[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:ninenines:cowlib:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "cow_http_struct_hd"
    ],
    "packageName": "cowlib",
    "packageURL": "pkg:hex/cowlib",
    "product": "cowlib",
    "programFiles": [
      "src/cow_http_struct_hd.erl"
    ],
    "programRoutines": [
      {
        "name": "cow_http_struct_hd:escape_string/2"
      },
      {
        "name": "cow_http_struct_hd:bare_item/1"
      }
    ],
    "repo": "https://github.com/ninenines/cowlib",
    "vendor": "ninenines",
    "versions": [
      {
        "status": "affected",
        "version": "2.9.0",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:ninenines:cowlib:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "cow_http_struct_hd"
    ],
    "packageName": "ninenines/cowlib",
    "packageURL": "pkg:github/ninenines/cowlib",
    "product": "cowlib",
    "programFiles": [
      "src/cow_http_struct_hd.erl"
    ],
    "programRoutines": [
      {
        "name": "cow_http_struct_hd:escape_string/2"
      },
      {
        "name": "cow_http_struct_hd:bare_item/1"
      }
    ],
    "repo": "https://github.com/ninenines/cowlib",
    "vendor": "ninenines",
    "versions": [
      {
        "status": "affected",
        "version": "a8b793db3d6ffe91d62f81baf41b1dab4cd78fb6",
        "versionType": "git"
      }
    ]
  }
]