Security advisory

{
  "id": "ed6a3581a7b23c405f39b6bab997fea87541b54d41a42f8bfbde9aef6bfcde9c",
  "url": "https://osv.dev/vulnerability/CVE-2021-23343",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-23343",
    "summary": "All versions of package path-parse are vulnerable to Regular Expression Denial of Service (ReDoS) via splitDeviceRe, splitTailRe, and splitPathRe regular expressions. ReDoS exhibits polynomial worst-case time complexity.",
    "evidence": "osv:CVE-2021-23343",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2021-23343",
      "aliases": [
        "CVE-2021-23343",
        "GHSA-hj48-42vr-x3v9"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jbgutierrez/path-parse",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "9f1db2802ffbc572e6b447f66126697e33b0055e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:path-parse_project:path-parse:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "1.0.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23343.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:31.974933267Z",
      "provider": "osv",
      "references": [
        "https://lists.apache.org/thread.html/r6a32cb3eda3b19096ad48ef1e7aa8f26e005f2f63765abb69ce08b85%40%3Cdev.myfaces.apache.org%3E",
        "https://github.com/jbgutierrez/path-parse/issues/8",
        "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1279028",
        "https://snyk.io/vuln/SNYK-JS-PATHPARSE-1077067"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-23343",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385495,
  "published_at": "2021-05-04T09:15:07.703+00:00"
}