CVE-2026-113789 — Vulnerability intelligence

py-pdf — pypdf

Published: 2026-10-21T16:17:26.603

CVSS

6

CISA KEV

Not listed; not proof of no exploitation

Original source text (not a translation)

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.

Sources

• CVE-2026-113789
• Patch
• Issue Tracking, Patch
• Release Notes
• Vendor Advisory