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CVE-2026-27628 pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams

🗓️ 25 Feb 2026 02:45:37Reported by GoogleType 
osv
 osv
🔗 osv.dev

CVE-2026-27628 in pypdf can cause an infinite loop loading circular /Prev entries; fixed in 6.7.2.

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10 Apr 2026 05:37Current
5.5Medium risk
Vulners AI Score5.5
CVSS 45.1
EPSS0.00055
0