CVE-2026-59933
HIGH SEVERITYCVSS Score & Metrics
Base Score
7.5 / 10
Vulnerability Description
PHPSpreadsheet: XLS/OLE sector-chain self-loop causes memory exhaustion
Vulnerability Details
Published Date
Last Modified
Source
GitHub
Vendor
composer
Product
phpoffice/phpspreadsheet
External References
- https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-xh5m-36r6-47m3
- https://github.com/PHPOffice/PhpSpreadsheet/commit/85f2556b0bf5269061bf45932ecda8a128d81750
- https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/1.30.6
- https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.1.18
- https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/2.4.7
- https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/3.10.7
- https://github.com/PHPOffice/PhpSpreadsheet/releases/tag/5.8.1
- https://github.com/advisories/GHSA-xh5m-36r6-47m3
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