← Retour aux CVEs

CVE-2026-27026

MEDIUM

5.5

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.7.1, an attacker who uses this vulnerability can craft a PDF which leads to long runtimes. This requires a malformed /FlateDecode stream, where the byte-by-byte decompression is used. This vulnerability is fixed in 6.7.1.

Details CVE

Score CVSS v3.15.5

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie2/20/2026

Derniere modification2/24/2026

Sourcenvd

Observations honeypot0

Produits affectes

pypdf_project:pypdf

Faiblesses (CWE)

CWE-770

References

https://github.com/py-pdf/pypdf/commit/7905842d833f899f1d3228af7e7467ad80277016(security-advisories@github.com)

https://github.com/py-pdf/pypdf/pull/3644(security-advisories@github.com)

https://github.com/py-pdf/pypdf/releases/tag/6.7.1(security-advisories@github.com)

https://github.com/py-pdf/pypdf/security/advisories/GHSA-9mvc-8737-8j8h(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

This product uses data from the NVD API but is not endorsed or certified by the NVD.