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CVE-2026-119205 pypdf: Possible infinite loop when cloning dictionaries

🗓️ 29 Oct 2026 20:35:33Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 7 Views

Infinite loop in pypdf when cloning a crafted cyclic DictionaryObject.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-119205
29 Oct 202620:41
–circl
cve
CVE
CVE-2026-119205
29 Oct 202620:35
–cve
euvd
EUVD
EUVD-2026-113377
29 Oct 202620:35
–euvd
nvd
NVD
CVE-2026-119205
29 Oct 202621:17
–nvd
ptsecurity
Positive Technologies
PT-2026-132827
29 Oct 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-119205: py-pdf pypdf: pypdf is a free and open-source pure-python PDF library
29 Oct 202600:00
–rapid7
[
  {
    "vendor": "py-pdf",
    "product": "pypdf",
    "versions": [
      {
        "version": "< 6.21.4",
        "status": "affected"
      }
    ]
  }
]

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29 Oct 2026 20:35Current
CVSS 47.1
7