{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "d07cd71b658861358b17b5e179d11f13182830a4"
            }
          ],
          "repo": "https://github.com/monitorjbl/excel-streaming-reader",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-xvm2-9xvc-hx7f"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-611"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23640.json"
  },
  "details": "Excel-Streaming-Reader is an easy-to-use implementation of a streaming Excel reader using Apache POI. Prior to xlsx-streamer 2.1.0, the XML parser that was used did apply all the necessary settings to prevent XML Entity Expansion issues. Upgrade to version 2.1.0 to receive a patch. There is no known workaround.",
  "id": "CVE-2022-23640",
  "modified": "2026-04-01T23:08:20.882968573Z",
  "published": "2022-03-02T19:50:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23640.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/monitorjbl/excel-streaming-reader/security/advisories/GHSA-xvm2-9xvc-hx7f"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-23640"
    },
    {
      "type": "FIX",
      "url": "https://github.com/monitorjbl/excel-streaming-reader/commit/0749c7b9709db078ccdeada16d46a34bc2910c73"
    }
  ],
  "schema_version": "1.7.3",
  "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": "Improper Restriction of XML External Entity Reference in Excel-Streaming-Reader"
}