CVE-2026-41168

N/A

Description

pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.1 can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large `/Size` values or object streams with wrong large `/N` values. This has been fixed in pypdf 6.10.1. As a workaround, one may apply the changes from the patch manually.

CVE Details

CVSS v3.1 ScoreN/A

Published4/22/2026

Last Modified4/22/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-834

References

https://github.com/py-pdf/pypdf/commit/62338e9d36419cf193ccec7331784f45df1d70b3(security-advisories@github.com)

https://github.com/py-pdf/pypdf/pull/3733(security-advisories@github.com)

https://github.com/py-pdf/pypdf/releases/tag/6.10.1(security-advisories@github.com)

https://github.com/py-pdf/pypdf/security/advisories/GHSA-jj6c-8h6c-hppx(security-advisories@github.com)

IOC Correlations

No correlations recorded

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