CVE-2026-113790

— UNSCOREDpublic exploit available

Published 2026-10-21 · Updated 2026-10-22

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF containing arrays or dictionaries with many elements, causing parsing to consume large amounts of memory. This issue is fixed in version 6.21.0.

Weaknesses

CWE-400, CWE-770

Public exploit & PoC references

https://github.com/py-pdf/pypdf/commit/18bd2981a74479483a0b9507602c58a63d6c9b12
https://github.com/py-pdf/pypdf/pull/4218
https://github.com/py-pdf/pypdf/releases/tag/6.21.0
https://github.com/py-pdf/pypdf/security/advisories/GHSA-f54x-cmq8-qg57

All references

https://github.com/py-pdf/pypdf/commit/18bd2981a74479483a0b9507602c58a63d6c9b12
https://github.com/py-pdf/pypdf/pull/4218
https://github.com/py-pdf/pypdf/releases/tag/6.21.0
https://github.com/py-pdf/pypdf/security/advisories/GHSA-f54x-cmq8-qg57

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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