CVE-2026-113789 — pypdf: Possible long runtimes/large memory usage when retrieving form fields
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 retriev…
Published: 2026-10-21 · CVSS: 6.0 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7