{
  "schema_version": "1.3.1",
  "id": "GO-2024-2887",
  "modified": "0001-01-01T00:00:00Z",
  "published": "0001-01-01T00:00:00Z",
  "aliases": [
    "CVE-2024-24790"
  ],
  "summary": "Unexpected behavior from Is methods for IPv4-mapped IPv6 addresses in net/netip",
  "details": "The various Is methods (IsPrivate, IsLoopback, etc) did not work as expected for IPv4-mapped IPv6 addresses, returning false for addresses which would return true in their traditional IPv4 forms.",
  "affected": [
    {
      "package": {
        "name": "stdlib",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.21.11"
            },
            {
              "introduced": "1.22.0-0"
            },
            {
              "fixed": "1.22.4"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "net/netip",
            "symbols": [
              "Addr.IsGlobalUnicast",
              "Addr.IsInterfaceLocalMulticast",
              "Addr.IsLinkLocalMulticast",
              "Addr.IsLoopback",
              "Addr.IsMulticast",
              "Addr.IsPrivate"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "FIX",
      "url": "https://go.dev/cl/590316"
    },
    {
      "type": "REPORT",
      "url": "https://go.dev/issue/67680"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/golang-announce/c/XbxouI9gY7k/m/TuoGEhxIEwAJ"
    }
  ],
  "credits": [
    {
      "name": "Enze Wang of Alioth (@zer0yu)"
    },
    {
      "name": "Jianjun Chen of Zhongguancun Lab (@chenjj)"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2024-2887",
    "review_status": "REVIEWED"
  }
}