On Node.js < 3, pbkdf2 silently disregards Uint8Array input, returning static keys

{
  "id": "cac6563440707e03f130c1cf055b6d3c4036f2525fddc55e433cb2e26583cba4",
  "url": "https://osv.dev/vulnerability/CVE-2025-6547",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "On Node.js < 3, pbkdf2 silently disregards Uint8Array input, returning static keys",
    "summary": "Improper Input Validation vulnerability in pbkdf2 allows Signature Spoofing by Improper Validation.This issue affects pbkdf2: <=3.1.2.",
    "evidence": "osv:CVE-2025-6547",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2025-6547",
      "aliases": [
        "CVE-2025-6547",
        "GHSA-v62p-rq8g-8h59"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/browserify/pbkdf2",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "e3102a8cd4830a3ac85cd0dd011cc002fdde33bb"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "e3102a8cd4830a3ac85cd0dd011cc002fdde33bb"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v3.1.2",
            "v3.1.1",
            "v3.1.0",
            "v3.0.17",
            "v3.0.16",
            "v3.0.15",
            "v3.0.14",
            "v3.0.13",
            "v3.0.12",
            "v3.0.11",
            "v3.0.10",
            "v3.0.9",
            "v3.0.8",
            "v3.0.7",
            "v3.0.6",
            "v3.0.5",
            "3.0.4",
            "v3.0.3",
            "3.0.2",
            "3.0.1",
            "2.0.1",
            "2.0.0",
            "1.0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6547.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.493170258Z",
      "provider": "osv",
      "references": [
        "https://npmjs.com/pbkdf2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6547.json",
        "https://github.com/browserify/pbkdf2/security/advisories/GHSA-v62p-rq8g-8h59",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-6547",
        "https://github.com/browserify/pbkdf2/commit/e3102a8cd4830a3ac85cd0dd011cc002fdde33bb",
        "https://github.com/browserify/pbkdf2"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-20"
        ],
        "cna_assigner": "harborist",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": ">= 1 <=3.1.2"
                  },
                  {
                    "last_affected": ">= 1 <=3.1.2"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandaloneSingleVersion"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6547.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-6547",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 517912,
  "published_at": "2025-06-23T19:00:45.472+00:00"
}