Regular Expression Denial of Service (ReDoS)

{
  "id": "5eee7850ab8b152a4edd3eb209b57b227e382387d0646f53193b97455ccb6876",
  "url": "https://osv.dev/vulnerability/CVE-2022-25887",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Regular Expression Denial of Service (ReDoS)",
    "summary": "The package sanitize-html before 2.7.1 are vulnerable to Regular Expression Denial of Service (ReDoS) due to insecure global regular expression replacement logic of HTML comment removal.",
    "evidence": "osv:CVE-2022-25887",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2022-25887",
      "aliases": [
        "CVE-2022-25887",
        "GHSA-cgfm-xwp7-2cvr"
      ],
      "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/apostrophecms/apostrophe",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b4682c12fd30e12e82fa2d9b766de91d7d2cd23c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apostrophecms:sanitize-html:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.7.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            },
            {
              "repo": "https://github.com/apostrophecms/sanitize-html",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b4682c12fd30e12e82fa2d9b766de91d7d2cd23c"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.7.1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "SplitRange"
                  },
                  {
                    "range": [
                      {
                        "fixed": "b4682c12fd30e12e82fa2d9b766de91d7d2cd23c"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "cpe": "cpe:2.3:a:apostrophecms:sanitize-html:*:*:*:*:*:node.js:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "2.7.1"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.5.3",
            "2.3.3",
            "1.27.4",
            "1.22.0",
            "1.21.1",
            "1.21.0",
            "1.20.0",
            "1.19.3",
            "1.19.2",
            "1.19.1",
            "1.19.0",
            "1.18.5",
            "1.18.4",
            "1.18.3",
            "1.18.2",
            "1.11.4",
            "1.11.1",
            "1.11.0",
            "1.10.1",
            "v1.9.0",
            "v1.8.0",
            "v1.7.2",
            "v1.7.1",
            "v1.7.0",
            "v1.5.2",
            "2.7.0",
            "2.6.1",
            "2.6.0",
            "2.5.2",
            "2.5.1",
            "2.5.0",
            "2.4.0",
            "2.3.2",
            "2.3.1",
            "2.3.0",
            "2.2.0",
            "2.1.2",
            "2.1.1",
            "2.1.0",
            "2.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-25887.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:36.903888673Z",
      "provider": "osv",
      "references": [
        "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-3008102",
        "https://security.snyk.io/vuln/SNYK-JS-SANITIZEHTML-2957526",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/25xxx/CVE-2022-25887.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-25887",
        "https://github.com/apostrophecms/sanitize-html/commit/b4682c12fd30e12e82fa2d9b766de91d7d2cd23c",
        "https://github.com/apostrophecms/sanitize-html/pull/557"
      ],
      "provider_metadata": {
        "cna_assigner": "snyk",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/25xxx/CVE-2022-25887.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-25887",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 504370,
  "published_at": "2022-08-30T05:00:20.149+00:00"
}