CVE-2026-46600 Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage

[
  {
    "vendor": "golang.org/x/net",
    "product": "golang.org/x/net/dns/dnsmessage",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "golang.org/x/net/dns/dnsmessage",
    "versions": [
      {
        "version": "0",
        "lessThan": "0.56.0",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "unpackSVCBResource"
      },
      {
        "name": "Message.Unpack"
      },
      {
        "name": "Parser.Additional"
      },
      {
        "name": "Parser.AllAdditionals"
      },
      {
        "name": "Parser.AllAnswers"
      },
      {
        "name": "Parser.AllAuthorities"
      },
      {
        "name": "Parser.Answer"
      },
      {
        "name": "Parser.Authority"
      },
      {
        "name": "Parser.HTTPSResource"
      },
      {
        "name": "Parser.SVCBResource"
      }
    ],
    "defaultStatus": "unaffected"
  }
]