CVE-2026-113790: pypdf < 6.21.0

Affected technology

pypdf · < 6.21.0
py-pdf

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction

What an attacker can do

An attacker can craft a PDF containing arrays or dictionaries with many elements, causing parsing to consume large amounts of memory. Vendor/CNA’s CVSS 4.0 assessment (base score 6.0/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 21-Oct-2026 16:37 UTC

CWE: CWE-400, CWE-770
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-21 16:36:47.356398+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-113790.html