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CVE-2026-42310

MEDIUM CVSS: 5.5 Published: 2026-05-09 Modified: 2026-07-24

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.

Affected Platforms

Python Pillow

Weakness Type

CWE-835

References