A AegiFlow
HIGHCVSS 7.1EPSS 0.5%

CVE-2026-115580

CVE-2026-115580 updated by NVD

Published
2026-10-23
Modified
2026-11-04
EPSS percentile
44%
Sources
github-advisory, nvd

Summary

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an attacker can craft a PDF with a standard cross-reference table whose declared entry count exceeds what the file can contain, causing excessive processing and long runtimes when the file is opened. This issue is fixed in version 6.21.2.

Affected packages

EcosystemPackageAffected versionsFixed versions
PyPIpypdf—6.21.2

Remediation: Upgrade to 6.21.2 or later.

References

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.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.

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