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pypdf has possible long runtimes for missing /Root object with large /Size values

🗓️ 07 Jul 2026 16:03:17Reported by Python Packaging AdvisoryType 
pypa
 pypa
🔗 github.com👁 2 Views

pypdf allows long runtimes for invalid PDFs with missing Root and large Size in non-strict mode.

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07 Jul 2026 17:25Current
5.8Medium risk
Vulners AI Score5.8
CVSS 46.9
CVSS 3.15.3
EPSS0.00391
SSVC
2