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PYSEC-2026-1836 PyPDF2 vulnerable to possible Infinite Loop when reading malformed objects

🗓️ 07 Jul 2026 11:45:19Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 3 Views

PyPDF2 can cause an infinite loop reading malformed objects; update to pypdf 3.1.0+ or patch read_object.

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07 Jul 2026 17:46Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.16.2
EPSS0.00573
3