MEDIUMCVSS 6.0EPSS 0.5%

CVE-2026-113792

CVE-2026-113792 updated by NVD

Published: 2026-10-21
Modified: 2026-10-25
EPSS percentile: 39%
Sources: github-advisory, nvd

Summary

pypdf is a free and open-source pure-python PDF library. Prior to 6.20.1, calling PdfWriter.find_outline_item on a crafted PDF with a cyclic outline hierarchy can enter an infinite loop and block the current process. This issue is fixed in version 6.20.1.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
PyPI	pypdf	—	6.20.1

Remediation: Upgrade to 6.20.1 or later.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-113792

Includes data from the GitHub Advisory Database, licensed under CC-BY 4.0.

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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EPSS scores provided by the FIRST.org Exploit Prediction Scoring System.