Vulnerability in Py-pdf Pypdf
CVE-2026-33699
pypdf is a free and open-source pure-python PDF library. Versions prior to 6.9.2 have a vulnerability in which an attacker can craft a PDF which leads to an infinite loop. This requires reading a file in non-strict mode. This has been fixe…
EPSS: 0.000 (4.8th percentile) — read the EPSS interpretation.
Affected products
- Py-pdf Pypdf — versions < 6.9.2
Weakness classification (CWE)
References
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-87mj-5ggw-8qc3 (x_refsource_CONFIRM)
- https://github.com/py-pdf/pypdf/pull/3693 (x_refsource_MISC)
- https://github.com/py-pdf/pypdf/releases/tag/6.9.2 (x_refsource_MISC)