CVE-2026-40260

N/A

Description

pypdf is a free and open-source pure-python PDF library. In versions prior to 6.10.0, manipulated XMP metadata entity declarations can exhaust RAM. An attacker who exploits this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the XMP metadata. This issue has been fixed in version 6.10.0.

CVE Details

CVSS v3.1 ScoreN/A

Published4/17/2026

Last Modified4/17/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-776

References

https://github.com/py-pdf/pypdf/commit/b15a374e5ca648d4878e57c3b2c0551e7f8cc7f8(security-advisories@github.com)

https://github.com/py-pdf/pypdf/pull/3724(security-advisories@github.com)

https://github.com/py-pdf/pypdf/releases/tag/6.10.0(security-advisories@github.com)

https://github.com/py-pdf/pypdf/security/advisories/GHSA-3crg-w4f6-42mx(security-advisories@github.com)

IOC Correlations

No correlations recorded

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