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CVE-2026-22690 pypdf has possible long runtimes for missing /Root object with large /Size values

🗓️ 10 Jan 2026 04:41:20Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

CVE-2026-22690: pypdf long runtimes with missing Root and large Size in non-strict mode; fixed in 6.6.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins
Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerabilities in pypdf-6.5.0-py3-none-any.whl
7 May 202619:10
ibm
Chainguard
CVE-2026-22690 vulnerabilities
12 Jan 202619:17
cgr
Circl
CVE-2026-22690
24 Jan 202621:26
circl
CNNVD
pypdf 资源管理错误漏洞
10 Jan 202600:00
cnnvd
CVE
CVE-2026-22690
10 Jan 202604:41
cve
Debian CVE
CVE-2026-22690
10 Jan 202604:41
debiancve
EUVD
EUVD-2026-1878
10 Jan 202604:41
euvd
Github Security Blog
pypdf has possible long runtimes for missing /Root object with large /Size values
9 Jan 202619:48
github
NVD
CVE-2026-22690
10 Jan 202605:16
nvd
OSV
CGA-MF9F-FRJ4-3Q3R
12 Jan 202617:05
osv
Rows per page
[
  {
    "vendor": "py-pdf",
    "product": "pypdf",
    "versions": [
      {
        "version": "< 6.6.0",
        "status": "affected"
      }
    ]
  }
]

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10 Jan 2026 04:41Current
CVSS 46.9
EPSS0.00017
24