VULNERABILITY INTELLIGENCE
CVE-2026-115572
EPSS probability0.38%
CISA KEVNot currently listed
Published2026-10-23
Last modified2026-10-29
Description
pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an attacker can craft a PDF that repeatedly references the same nonexistent indirect object, causing relevant file parts such as pages to trigger repeated full-file recovery loads and long runtimes when accessed. This issue is fixed in version 6.21.2.
Weakness classification
- security-advisories@github.com: CWE-400