CVEvulnerability

CVE-2026-113789

6.0 MEDIUM Published 2026-10-21 Modified 2026-10-28 Official page ↗

Status: Undergoing Analysis
Published: 2026-10-21
Last modified: 2026-10-28
Assigner: [email protected]
CVSS 4.0 ([email protected]): 6.0 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weaknesses: CWE-400, CWE-407

Description

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.

Weakness · CWE (2)

CWE-400 Uncontrolled Resource Consumption weakness
CWE-407 Inefficient Algorithmic Complexity weakness

References

https://github.com/py-pdf/pypdf/commit/5ef728f0e16d225c853e89f861ba0a67402fe3f2 github.com
https://github.com/py-pdf/pypdf/pull/4219 github.com
https://github.com/py-pdf/pypdf/releases/tag/6.21.0 github.com
https://github.com/py-pdf/pypdf/security/advisories/GHSA-6vvc-x485-93v7 github.com

CVE-2026-113789

Description

Related

Weakness · CWE (2)

References