CVE-2026-56853 Apply ReadHeaderTimeout when doing unencrypted HTTP/2 check in net/http

[
  {
    "vendor": "Go standard library",
    "product": "net/http",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "net/http",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.25.13",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.26.0-0",
        "lessThan": "1.26.6",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.27.0-0",
        "lessThan": "1.27.0-rc.3",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "conn.readRequest"
      },
      {
        "name": "conn.serve"
      },
      {
        "name": "ListenAndServe"
      },
      {
        "name": "ListenAndServeTLS"
      },
      {
        "name": "Serve"
      },
      {
        "name": "ServeTLS"
      },
      {
        "name": "Server.ListenAndServe"
      },
      {
        "name": "Server.ListenAndServeTLS"
      },
      {
        "name": "Server.Serve"
      },
      {
        "name": "Server.ServeTLS"
      }
    ],
    "defaultStatus": "unaffected"
  }
]