CVE-2026-39821 Invoking failure to reject ASCII-only Punycode-encoded labels in golang.org/x/net/idna

[
  {
    "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": "idnaASCII"
      },
      {
        "name": "Client.CloseIdleConnections"
      },
      {
        "name": "Client.Do"
      },
      {
        "name": "Client.Get"
      },
      {
        "name": "Client.Head"
      },
      {
        "name": "Client.Post"
      },
      {
        "name": "Client.PostForm"
      },
      {
        "name": "ClientConn.Close"
      },
      {
        "name": "ClientConn.RoundTrip"
      },
      {
        "name": "Get"
      },
      {
        "name": "Head"
      },
      {
        "name": "Post"
      },
      {
        "name": "PostForm"
      },
      {
        "name": "Transport.CloseIdleConnections"
      },
      {
        "name": "Transport.NewClientConn"
      },
      {
        "name": "Transport.RoundTrip"
      },
      {
        "name": "http1ClientConn.Close"
      },
      {
        "name": "http1ClientConn.RoundTrip"
      },
      {
        "name": "http2ClientConn.RoundTrip"
      },
      {
        "name": "http2RoundTripper.RoundTrip"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Go standard library",
    "product": "net/http/internal/http2",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "net/http/internal/http2",
    "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": "authorityAddr"
      },
      {
        "name": "Transport.AddConn"
      },
      {
        "name": "Transport.RoundTrip"
      },
      {
        "name": "Transport.RoundTripOpt"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "golang.org/x/net",
    "product": "golang.org/x/net/idna",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "golang.org/x/net/idna",
    "versions": [
      {
        "version": "0",
        "lessThan": "0.55.0",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "Profile.process"
      },
      {
        "name": "Profile.ToASCII"
      },
      {
        "name": "Profile.ToUnicode"
      },
      {
        "name": "ToASCII"
      },
      {
        "name": "ToUnicode"
      }
    ],
    "defaultStatus": "unaffected"
  }
]