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CVE-2026-71870 pypdf: Possible large memory usage for large /ToUnicode streams

🗓️ 07 Aug 2026 19:28:26Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

pypdf before 6.15.0 can cause memory usage parsing ToUnicode CMap segments during text extraction.

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09 Aug 2026 15:41Current
5.3Medium risk
Vulners AI Score5.3
CVSS 44.8
2