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CVE-2026-33123

🗓️ 20 Mar 2026 09:09:12Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 4 Views

pypdf prior to 6.9.1 decodes array streams inefficiently, causing long runtimes; fixed in 6.9.1.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33123
20 Mar 202609:09
attackerkb
Chainguard
CVE-2026-33123 vulnerabilities
23 Mar 202613:17
cgr
Circl
CVE-2026-33123
20 Mar 202613:43
circl
CNNVD
pypdf 安全漏洞
20 Mar 202600:00
cnnvd
Cvelist
CVE-2026-33123 pypdf has inefficient decoding of array-based streams
20 Mar 202609:09
cvelist
Debian CVE
CVE-2026-33123
20 Mar 202609:09
debiancve
Github Security Blog
pypdf has inefficient decoding of array-based streams
18 Mar 202616:17
github
NVD
CVE-2026-33123
20 Mar 202610:16
nvd
Tenable Nessus
openSUSE 16 Security Update : python-PyPDF2 (openSUSE-SU-2026:20430-1)
29 Mar 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-33123
20 Mar 202600:00
nessus
Rows per page
NVD
Vulners
Node
[
  {
    "vendor": "py-pdf",
    "product": "pypdf",
    "versions": [
      {
        "version": "< 6.9.1",
        "status": "affected"
      }
    ]
  }
]

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23 Mar 2026 15:48Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
CVSS 45.1
EPSS0.00349
SSVC
4