CVE-2026-40260

MediumCVSS 5.3/10Last modified Nov 2, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness enumeration

CWE-776

Affected software

No affected versions have been published.

Timeline

Published: Apr 17, 2026
Last modified: Nov 2, 2026
NVD status: Analyzed

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