CVE-2026-42310

Pillow: PDF Parsing Trailer Infinite Loop (DoS)

En bref

Sévérité: MEDIUM 5.1
EPSS: EPSS 0.17 % · centile 6 (2026-10-27)
État: PUBLISHED
Publiée: 2026-05-09
Mise à jour: 2026-05-12
Attribuée par: GitHub_M
Statut NVD: Analyzed

Description

Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. This issue has been patched in version 12.2.0.

Scores

Version	Score	Vecteur	Évalué par
CVSS 4.0	MEDIUM 5.1	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	GitHub_M
CVSS 4.0	MEDIUM 5.1	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/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	NVD · security-advisories@github.com (Secondary)
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · nvd@nist.gov (Primary)

Faiblesses (CWE)

CWE-835

Avis

GHSA-r73j-pqj5-w3x7 — Pillow has a PDF Parsing Trailer Infinite Loop (DoS)
PYSEC-2026-2874 — Pillow has a PDF Parsing Trailer Infinite Loop (DoS)

Références européennes

ENISA EUVD · EUVD-2026-28902
GCVE · GCVE-0-2026-42310

Avis du CERT-FR

CERTFR-2026-AVI-1366 — Multiples vulnérabilités dans les produits Splunk · cert.ssi.gouv.fr
CERTFR-2026-AVI-0627 — Multiples vulnérabilités dans les produits Splunk · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:* ≥ 4.2.0 < 12.2.0

Produits affectés

Produit	Versions
python-pillow · Pillow	affected >= 4.2.0, < 12.2.0

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD