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CVE-2026-84311

🗓️ 01 Sep 2026 20:03:13Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 89 Views

Exponential traversal of reused XForm XObjects in pypdf prior to 6.16.1 causes DoS.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
PyPDF Function XSS
9 Sep 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-84311 vulnerabilities
11 Sep 202608:54
–cgr
circl
Circl
CVE-2026-84311
2 Sep 202604:31
–circl
cvelist
Cvelist
CVE-2026-84311 pypdf: Possible long runtimes/large memory usage when extracting XForm objects
1 Sep 202620:03
–cvelist
debiancve
Debian CVE
CVE-2026-84311
1 Sep 202620:03
–debiancve
euvd
EUVD
EUVD-2026-69607
1 Sep 202620:03
–euvd
github
Github Security Blog
pypdf: Possible long runtimes/large memory usage when extracting XForm objects
1 Sep 202621:27
–github
mend
Mend
CVE-2026-84311
1 Sep 202620:03
–mend
nvd
NVD
CVE-2026-84311
1 Sep 202621:18
–nvd
osv_cga
osv_cga
CGA-9HHX-78HG-GGXX
2 Sep 202622:13
–osv_cga
Rows per page
NVD
Vulners
Node
py-pdfpypdfRange<6.16.1
[
  {
    "vendor": "py-pdf",
    "product": "pypdf",
    "versions": [
      {
        "version": "< 6.16.1",
        "status": "affected"
      }
    ]
  }
]

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02 Nov 2026 16:06Current
5.6Medium risk
Vulners AI Score5.6
CVSS 3.13.3
CVSS 44.8
EPSS0.00135
SSVC
89