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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 GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 20 Views

CVE-2026-27628: pypdf may loop on circular /Prev entries in cross-reference streams; fixed in 6.7.2.

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Rows per page
[
  {
    "vendor": "py-pdf",
    "product": "pypdf",
    "versions": [
      {
        "version": "< 6.7.2",
        "status": "affected"
      }
    ]
  }
]

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27 Feb 2026 19:49Current
CVSS 45.1
EPSS0.00346
20