{
  "schema_version": "1.3.1",
  "id": "GO-2021-0063",
  "modified": "0001-01-01T00:00:00Z",
  "published": "2021-04-14T20:04:52Z",
  "aliases": [
    "CVE-2020-26264",
    "GHSA-r33q-22hv-j29q"
  ],
  "summary": "Nil pointer dereference via malicious RPC message in github.com/ethereum/go-ethereum",
  "details": "Due to a nil pointer dereference, a maliciously crafted RPC message can cause a panic. If handling RPC messages from untrusted clients, this may be used as a denial of service vector.",
  "affected": [
    {
      "package": {
        "name": "github.com/ethereum/go-ethereum",
        "ecosystem": "Go"
      },
      "ranges": [
        {
          "type": "SEMVER",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.25"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "imports": [
          {
            "path": "github.com/ethereum/go-ethereum/les",
            "symbols": [
              "PrivateLightServerAPI.Benchmark",
              "serverHandler.handleMsg"
            ]
          }
        ]
      }
    }
  ],
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/ethereum/go-ethereum/pull/21896"
    },
    {
      "type": "FIX",
      "url": "https://github.com/ethereum/go-ethereum/commit/bddd103a9f0af27ef533f04e06ea429cf76b6d46"
    }
  ],
  "credits": [
    {
      "name": "@zsfelfoldi"
    }
  ],
  "database_specific": {
    "url": "https://pkg.go.dev/vuln/GO-2021-0063"
  }
}