Security advisory

{
  "id": "9169ae58c30412af384242735943cadcd13471ca25979c3677ad6b5167fdb07a",
  "url": "https://osv.dev/vulnerability/CVE-2021-23346",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2021-23346",
    "summary": "This affects the package html-parse-stringify before 2.0.1; all versions of package html-parse-stringify2. Sending certain input could cause one of the regular expressions that is used for parsing to backtrack, freezing the process.",
    "evidence": "osv:CVE-2021-23346",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2021-23346",
      "aliases": [
        "CVE-2021-23346",
        "GHSA-545q-3fg6-48m7"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/henrikjoreteg/html-parse-stringify",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "317b7f07bb0189074e39a05dd0eb06e85befff8c"
                },
                {
                  "fixed": "c7274a48e59c92b2b7e906fedf9065159e73fe12"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:html-parse-stringify_project:html-parse-stringify:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.0.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "c7274a48e59c92b2b7e906fedf9065159e73fe12"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v2.0.0",
            "v1.0.3",
            "v1.0.2",
            "v1.0.1",
            "v1.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-23346.json"
          }
        }
      ],
      "modified": "2026-10-20T10:54:32.804648021Z",
      "provider": "osv",
      "references": [
        "https://github.com/HenrikJoreteg/html-parse-stringify/blob/master/lib/parse.js%23L2",
        "https://github.com/rayd/html-parse-stringify2/blob/master/lib/parse.js%23L2",
        "https://github.com/HenrikJoreteg/html-parse-stringify/commit/c7274a48e59c92b2b7e906fedf9065159e73fe12",
        "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1080633",
        "https://snyk.io/vuln/SNYK-JS-HTMLPARSESTRINGIFY-1079306",
        "https://snyk.io/vuln/SNYK-JS-HTMLPARSESTRINGIFY2-1079307"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2021-23346",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 385549,
  "published_at": "2021-03-04T17:15:13.7+00:00"
}