CVE-2026-102999

HighCVSS 7.5/10Last modified Oct 5, 2026

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.19.0, a crafted PDF containing many embedded files can cause the dictionary-based attachments API in pypdf/_doc_common.py to reparse the full attachment list for each content lookup, producing repeated work and long runtimes when an application accesses the embedded-file mapping. This issue is fixed in version 6.19.0.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-400 CWE-407

Affected software

No affected versions have been published.

Timeline

Published: Sep 30, 2026
Last modified: Oct 5, 2026
NVD status: Analyzed

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