{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "event-stream"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.3.6"
            },
            {
              "fixed": "4.0.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "3.3.6"
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "flatmap-stream"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-506"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:46:17Z",
    "nvd_published_at": null,
    "severity": "CRITICAL"
  },
  "details": "The NPM package `flatmap-stream` is considered malicious.  A malicious actor added this package as a dependency to the NPM `event-stream` package in version `3.3.6`.  Users of `event-stream` are encouraged to downgrade to the last non-malicious version, `3.3.4`, or upgrade to the latest  4.x version. \n\nUsers of `flatmap-stream` are encouraged to remove the dependency entirely.\n",
  "id": "GHSA-mh6f-8j2x-4483",
  "modified": "2021-09-15T20:08:26Z",
  "published": "2018-11-26T23:58:21Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/dominictarr/event-stream/issues/116"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-mh6f-8j2x-4483"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/dominictarr/event-stream"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Critical severity vulnerability that affects event-stream and flatmap-stream"
}