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CVE-2026-113789

pypdf: Possible long runtimes/large memory usage when retrieving form fields PUBLISHED

Description (CNA)

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.0, an attacker can craft a PDF that causes large memory usage or long runtimes when an application retrieves the document's form fields. This issue is fixed in version 6.21.0.

Affected (CNA)

Vendor / productVersions
py-pdf / pypdfaffected < 6.21.0

CWE

CWE-400, CWE-407

References