CVE-2026-59933
CVE-2026-59933 · PhpSpreadsheet: XLS/OLE sector-chain self-loop causes memory exhaustion
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.0, 3.3.0 through 3.10.6, 2.2.0 through 2.4.6, 2.0.0 through 2.1.17, and all releases up to and including 1.30.5, the OLE reader follows sector chains from attacker-controlled XLS/OLE metadata without detecting cycles or enforcing a maximum chain length. A tiny malformed .xls/OLE file can set the small-block depot sector chain to point back to itself. During normal XLS detection, OLERead::read() appends the same sector data repeatedly until the PHP process exhausts memory. This is reachable from Reader\Xls::canRead() and therefore from automatic spreadsheet type detection. Applications that accept attacker-controlled spreadsheet uploads can suffer denial of service from a very small file. This issue has been fixed in versions 5.8.1, 3.10.7, 2.4.7, 2.1.18 and 1.30.6.
CVSS 7.5 · Élevée · EPSS 0,5% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: php
Produits et versions concernés
phpspreadsheet
- Versions du logiciel
- >= 4.0.0, < 5.8.1: Concernée
- >= 3.3.0, < 3.10.7: Concernée
- >= 2.2.0, < 2.4.7: Concernée
- >= 2.0.0, < 2.1.18: Concernée
- < 1.30.6: Concernée
Aucun correctif publié
phpoffice/phpspreadsheet Packagist
- Versions du logiciel
- 4.0.0
- 4.1.0
- 4.2.0
- 4.3.0
- 4.3.1
- 4.4.0
- 4.5.0
- 5.0.0
- 5.1.0
- 5.2.0
- 5.3.0
- 5.4.0
- 5.5.0
- 5.6.0
- 5.7.0
- 5.8.0
- Plages de versions concernées
- ECOSYSTEM: ≥ 4.0.0, < 5.8.1
Mettez à jour vers 5.8.1
phpoffice/phpspreadsheet Packagist
- Versions du logiciel
- 3.10.0
- 3.10.1
- 3.10.2
- 3.10.3
- 3.10.4
- 3.10.5
- 3.10.6
- 3.3.0
- 3.4.0
- 3.5.0
- 3.6.0
- 3.7.0
- 3.8.0
- 3.9.0
- 3.9.1
- 3.9.2
- 3.9.3
- Plages de versions concernées
- ECOSYSTEM: ≥ 3.3.0, < 3.10.7
Mettez à jour vers 3.10.7
phpoffice/phpspreadsheet Packagist
- Versions du logiciel
- 2.2.0
- 2.2.1
- 2.2.2
- 2.3.0
- 2.3.10
- 2.3.2
- 2.3.3
- 2.3.4
- 2.3.5
- 2.3.6
- 2.3.7
- 2.3.8
- 2.3.9
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.4.4
- 2.4.5
- 2.4.6
- Plages de versions concernées
- ECOSYSTEM: ≥ 2.2.0, < 2.4.7
Mettez à jour vers 2.4.7
phpoffice/phpspreadsheet Packagist
- Versions du logiciel
- 2.0.0
- 2.1.0
- 2.1.1
- 2.1.10
- 2.1.11
- 2.1.12
- 2.1.13
- 2.1.14
- 2.1.15
- 2.1.16
- 2.1.17
- 2.1.3
- 2.1.4
- 2.1.5
- 2.1.6
- 2.1.7
- 2.1.8
- 2.1.9
- Plages de versions concernées
- ECOSYSTEM: ≥ 2.0.0, < 2.1.18
Mettez à jour vers 2.1.18
phpoffice/phpspreadsheet Packagist
- Versions du logiciel
- 1.0.0
- 1.0.0-beta
- 1.0.0-beta2
- 1.1.0
- 1.10.0
- 1.10.1
- 1.11.0
- 1.12.0
- 1.13.0
- 1.14.0
- 1.14.1
- 1.15.0
- 1.16.0
- 1.17.0
- 1.17.1
- 1.18.0
- 1.19.0
- 1.2.0
- 1.2.1
- 1.20.0
- 1.21.0
- 1.22.0
- 1.23.0
- 1.24.0
- 1.24.1
- 1.25.0
- 1.25.1
- 1.25.2
- 1.26.0
- 1.27.0
- 1.27.1
- 1.28.0
- 1.29.0
- 1.29.1
- 1.29.10
- 1.29.11
- 1.29.12
- 1.29.2
- 1.29.4
- 1.29.5
- 1.29.6
- 1.29.7
- 1.29.8
- 1.29.9
- 1.3.0
- 1.3.1
- 1.30.0
- 1.30.1
- 1.30.2
- 1.30.3
- 1.30.4
- 1.30.5
- 1.4.0
- 1.4.1
- 1.5.0
- 1.5.1
- 1.5.2
- 1.6.0
- 1.7.0
- 1.8.0
- 1.8.1
- 1.8.2
- 1.9.0
- Plages de versions concernées
- ECOSYSTEM: < 1.30.6
Mettez à jour vers 1.30.6
Sources originales
- 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://nvd.nist.gov/vuln/detail/CVE-2026-59933