CVE-2026-41314: pypdf: Manipulated FlateDecode image dimensions can exhaust RAM
(updated )
An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing an image using /FlateDecode with large size values.
References
- github.com/advisories/GHSA-x284-j5p8-9c5p
- github.com/py-pdf/pypdf
- github.com/py-pdf/pypdf/commit/ac734dab4eef92bcce50d503949b4d9887d89f11
- github.com/py-pdf/pypdf/pull/3734
- github.com/py-pdf/pypdf/releases/tag/6.10.2
- github.com/py-pdf/pypdf/security/advisories/GHSA-x284-j5p8-9c5p
- nvd.nist.gov/vuln/detail/CVE-2026-41314
Code Behaviors & Features
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