{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.1.0"
              },
              {
                "last_affected": "2.11.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "e51aff2d9562bbfb290ef76a948facb6d4660eff"
            },
            {
              "fixed": "db93f8d89de71589069a54d1b998af02e3c5f7cd"
            }
          ],
          "repo": "https://github.com/qax-os/excelize",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-fw94-4wwp-w8pw"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-190",
      "CWE-681"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107224.json"
  },
  "details": "Excelize is a Go language library for reading and writing Microsoft Excel spreadsheets. From 2.1.0 to 2.11.0, a Zip64 uncompressed size with the high bit set is converted from uint64 to a negative int64 before signed size-limit checks and allocation. ReadZipReader obtains UncompressedSize64 through FileInfo.Size and passes the wrapped negative value to readFile. When a crafted Zip64 entry declares an uncompressed size from 2^63 through 2^64-1 and the workbook is opened, the negative size bypasses unzip limits and reaches make as a negative capacity, allowing an attacker to panic during workbook opening. No fixed version is available as of this review.",
  "id": "CVE-2026-107224",
  "modified": "2026-10-09T02:30:49.353891126Z",
  "published": "2026-10-07T18:53:27.282Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107224.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/qax-os/excelize/security/advisories/GHSA-fw94-4wwp-w8pw"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-107224"
    },
    {
      "type": "FIX",
      "url": "https://github.com/qax-os/excelize/commit/db93f8d89de71589069a54d1b998af02e3c5f7cd"
    },
    {
      "type": "FIX",
      "url": "https://github.com/qax-os/excelize/pull/2369"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Excelize: A Zip64 uncompressed-size of 2^63 panics OpenFile/OpenReader"
}