{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "base64url"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-08-31T18:31:38Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "Versions of `base64url` before 3.0.0 are vulnerable to to out-of-bounds reads as it allocates uninitialized Buffers when number is passed in input on Node.js 4.x and below.\n\n\n## Recommendation\n\nUpdate to version 3.0.0 or later.",
  "id": "GHSA-rvg8-pwq2-xj7q",
  "modified": "2021-09-24T20:34:56Z",
  "published": "2020-09-01T20:42:44Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/brianloveswords/base64url/pull/25"
    },
    {
      "type": "WEB",
      "url": "https://github.com/brianloveswords/base64url/commit/4fbd954a0a69e9d898de2146557cc6e893e79542"
    },
    {
      "type": "WEB",
      "url": "https://hackerone.com/reports/321687"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/brianloveswords/base64url"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Out-of-bounds Read in base64url"
}