Description

pypdf is a free and open-source pure-python PDF library. Prior to version 6.7.5, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires accessing a stream which uses the /ASCIIHexDecode filter. This issue has been patched in version 6.7.5.

INFO

Published Date :

2026-03-06T06:46:28.890Z

Last Modified :

2026-03-06T16:05:28.630Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28804 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-2026-28804.

URL Resource
https://github.com/py-pdf/pypdf/commit/648c627d2657447dfb1773412af05a0a5103b98f cve-icon cve-icon cve-icon
https://github.com/py-pdf/pypdf/pull/3666 cve-icon cve-icon cve-icon
https://github.com/py-pdf/pypdf/releases/tag/6.7.5 cve-icon cve-icon cve-icon
https://github.com/py-pdf/pypdf/security/advisories/GHSA-9m86-7pmv-2852 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-28804 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-28804 cve-icon
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CVSS Vulnerability Scoring System

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