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EUVD-2026-1877

🗓️ 10 Jan 2026 04:46:12Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

pypdf before 6.6.0 allows long runtimes from malformed startxref in non-strict mode due to whitespace in cross-reference tables; 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-2026-22691 vulnerabilities
12 Jan 202619:17
cgr
Circl
CVE-2026-22691
24 Jan 202621:26
circl
CNNVD
pypdf 安全漏洞
10 Jan 202600:00
cnnvd
CVE
CVE-2026-22691
10 Jan 202604:46
cve
Cvelist
CVE-2026-22691 pypdf has possible long runtimes for malformed startxref
10 Jan 202604:46
cvelist
Debian CVE
CVE-2026-22691
10 Jan 202604:46
debiancve
Github Security Blog
pypdf has possible long runtimes for malformed startxref
9 Jan 202619:48
github
NVD
CVE-2026-22691
10 Jan 202605:16
nvd
OSV
CGA-2RRJ-4QR5-M2PP
12 Jan 202617:05
osv
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "c6dcd6dc-0195-32e2-8e99-8d77865379fe",
        "vendor": {
          "name": "py-pdf"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "65a1ba1b-02a5-3f4d-a786-7a43b954cf49",
        "product": {
          "name": "pypdf"
        },
        "product_version": "< 6.6.0"
      }
    ]
  }
]

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10 Jan 2026 04:46Current
6.2Medium risk
Vulners AI Score6.2
CVSS 46.9
EPSS0.00023
3