{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "markdown"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-400"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-08-31T18:55:21Z",
    "nvd_published_at": null,
    "severity": "LOW"
  },
  "details": "All versions of `markdown` are vulnerable to Regular Expression Denial of Service (ReDoS). The `markdown.toHTML()` function has significantly degraded performance when parsing long strings containing underscores. This may lead to Denial of Service if the parser accepts user input.\n\n\n## Recommendation\n\nNo fix is currently available. Consider using an alternative package until a fix is made available.",
  "id": "GHSA-wx77-rp39-c6vg",
  "modified": "2022-03-24T22:10:13Z",
  "published": "2020-09-04T15:11:03Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://github.com/evilstreak/markdown-js"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/1330"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Regular Expression Denial of Service in markdown"
}