CVE-2026-42310

Pillow: PDF Parsing Trailer Infinite Loop (DoS)

CVSS 5.1 MEDIUMEPSS 0.1%CWE-835

Vexday Risk Score

13Bajo

Decisión SSVC (CISA)

Track

Sin señal de explotación → monitorear

CVSS 5.1EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

09 may 2026Publicada en NVD

Recomendación: Monitorear — sin señal de explotación por ahora.

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:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Productos afectados

python-pillow · Pillow

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Referencias

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