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CVE-2026-103000 pypdf: Possible large memory usage when retrieving alphabetical page labels

🗓️ 30 Sep 2026 20:13:00Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 62 Views

Large memory usage in pypdf when retrieving alphabetical page labels causes DoS.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-103000 vulnerabilities
2 Oct 202620:54
–cgr
circl
Circl
CVE-2026-103000
6 Oct 202616:37
–circl
cve
CVE
CVE-2026-103000
30 Sep 202620:13
–cve
debiancve
Debian CVE
CVE-2026-103000
30 Sep 202620:13
–debiancve
euvd
EUVD
EUVD-2026-90283
1 Oct 202615:07
–euvd
github
Github Security Blog
pypdf: Possible large memory usage when retrieving alphabetical page labels
1 Oct 202615:07
–github
mend
Mend
CVE-2026-103000
30 Sep 202620:13
–mend
nvd
NVD
CVE-2026-103000
30 Sep 202621:17
–nvd
osv_cga
osv_cga
CGA-8VWH-6XFP-3MCP
2 Oct 202613:12
–osv_cga
osv_debian
osv_debian
DEBIAN-CVE-2026-103000
30 Sep 202621:17
–osv_debian
Rows per page
[
  {
    "vendor": "py-pdf",
    "product": "pypdf",
    "versions": [
      {
        "version": "< 6.19.0",
        "status": "affected"
      }
    ]
  }
]

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30 Sep 2026 20:13Current
CVSS 48.7
EPSS0.00345
SSVC
62