CVE-2026-113794: pypdf: Possible infinite loop when hitting EOF in standard xref table
An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires an incomplete file which ends inside the xref table.
References
- github.com/advisories/GHSA-39mj-jf6j-2qj3
- github.com/py-pdf/pypdf/commit/37e1cd681744bac38b159f7e1c614eee8d639c58
- github.com/py-pdf/pypdf/issues/4169
- github.com/py-pdf/pypdf/pull/4170
- github.com/py-pdf/pypdf/releases/tag/6.20.0
- github.com/py-pdf/pypdf/security/advisories/GHSA-39mj-jf6j-2qj3
- nvd.nist.gov/vuln/detail/CVE-2026-113794
Code Behaviors & Features
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