---
cve: "CVE-2026-42310"
severity: "MEDIUM"
cvss: 5.1
epss: "13%"
vendor: "python-pillow"
kev: false
exploited: false
published: "2026-05-09 06:16:10"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T07:49:38+02:00"
---

# CVE-2026-42310

> 5.1 MEDIUM · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 3c41c095064200a02672d89cc5ff629eaf4b0d4f (Commit)
- 3bf614e4b8615d0ce1d5039efaf6db447fe7c468 (Commit)

## Referenzen

- <https://github.com/python-pillow/Pillow/security/advisories/GHSA-r73j-pqj5-w3x7>
- <https://github.com/python-pillow/Pillow/pull/9519>
- <https://github.com/python-pillow/Pillow/commit/3bf614e4b8615d0ce1d5039efaf6db447fe7c468>
- <https://github.com/python-pillow/Pillow/releases/tag/12.2.0>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-42310) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_