Vulnerability in Py-pdf Pypdf
CVE-2026-41168
pypdf is a free and open-source pure-python PDF library. An attacker who uses a vulnerability present in versions prior to 6.10.1 can craft a PDF which leads to long runtimes. This requires cross-reference streams with wrong large `/Size`…
EPSS: 0.001 (16.6th percentile) — read the EPSS interpretation.
Affected products
- Py-pdf Pypdf — versions < 6.10.1
Weakness classification (CWE)
References
- https://github.com/py-pdf/pypdf/security/advisories/GHSA-jj6c-8h6c-hppx (x_refsource_CONFIRM)
- https://github.com/py-pdf/pypdf/pull/3733 (x_refsource_MISC)
- https://github.com/py-pdf/pypdf/commit/62338e9d36419cf193ccec7331784f45df1d70b3 (x_refsource_MISC)
- https://github.com/py-pdf/pypdf/releases/tag/6.10.1 (x_refsource_MISC)