CVE-2026-115580

7.1 Élevée

Publiée le 23/10/2026 à 22:17 · Modifiée le 23/10/2026 à 22:17 · Reçue · Source : security-advisories@github.com

Description

pypdf is a free and open-source pure-python PDF library. Prior to 6.21.2, an attacker can craft a PDF with a standard cross-reference table whose declared entry count exceeds what the file can contain, causing excessive processing and long runtimes when the file is opened. This issue is fixed in version 6.21.2.

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Produits concernés

py-pdf pypdf

Scores CVSS

Version	Score	Source	Vecteur
4.0	7.1 Élevée	security-advisories@github.com	`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X`

Faiblesses (CWE)

CWE-834

Références

https://github.com/py-pdf/pypdf/commit/a3061e34b169d34478d520f5f049c53cfb1482b2
https://github.com/py-pdf/pypdf/pull/4239
https://github.com/py-pdf/pypdf/releases/tag/6.21.2
https://github.com/py-pdf/pypdf/security/advisories/GHSA-gmh7-3g9r-mjh5

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories