Description

pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.2 have a vulnerability in which an attacker can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode. This has been fixed in pypdf 6.9.2. If users cannot upgrade yet, consider applying the changes from the patch manually.

INFO

Published Date :

2026-03-26T23:58:42.776Z

Last Modified :

2026-03-27T19:59:39.751Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-33699 vulnerability.

Vendors Products
Py-pdf
  • Pypdf
Pypdf Project
  • Pypdf
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-33699.

URL Resource
https://github.com/py-pdf/pypdf/pull/3693 cve-icon cve-icon cve-icon
https://github.com/py-pdf/pypdf/releases/tag/6.9.2 cve-icon cve-icon cve-icon
https://github.com/py-pdf/pypdf/security/advisories/GHSA-87mj-5ggw-8qc3 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-33699 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-33699 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
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Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
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SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact