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CVE-2026-115580 pypdf: Possible long runtimes for large xref table header limits

🗓️ 23 Oct 2026 19:29:49Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Long runtimes in pypdf when opening a PDF with a large xref table header.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-115580
23 Oct 202619:37
–circl
cve
CVE
CVE-2026-115580
23 Oct 202619:29
–cve
euvd
EUVD
EUVD-2026-109129
23 Oct 202619:29
–euvd
github
Github Security Blog
pypdf: Possible long runtimes for large xref table header limits
23 Oct 202620:54
–github
nvd
NVD
CVE-2026-115580
23 Oct 202620:17
–nvd
osv_ghsa
osv_ghsa
GHSA-GMH7-3G9R-MJH5 pypdf: Possible long runtimes for large xref table header limits
23 Oct 202620:54
–osv_ghsa
redhatcve
RedhatCVE
CVE-2026-115580
23 Oct 202620:09
–redhatcve
[
  {
    "vendor": "py-pdf",
    "product": "pypdf",
    "versions": [
      {
        "version": "< 6.21.2",
        "status": "affected"
      }
    ]
  }
]

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23 Oct 2026 19:29Current
CVSS 47.1
4