CVE-2026-42308

Pillow: Integer overflow when processing fonts

CVSS 5.1 MEDIUMEPSS 0.1%CWE-190

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. Prior to version 12.2.0, if a font advances for each glyph by an exceeding large amount, when Pillow keeps track of the current position, it may lead to an integer overflow. 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

¿Quieres saber si tu infraestructura está expuesta a esto?

Hablar con TrueHacking →

Referencias

https://github.com/python-pillow/Pillow/releases/tag/12.2.0 https://github.com/python-pillow/Pillow/security/advisories/GHSA-wjx4-4jcj-g98j