Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

CVE-2026-42309

Gravedad CVSS v4.0:
MEDIA
Tipo:
CWE-122 Desbordamiento de búfer basado en memoria dinámica (Heap)
Fecha de publicación:
09/05/2026
Última modificación:
09/05/2026

Descripción

*** Pendiente de traducción *** Pillow is a Python imaging library. From version 11.2.1 to before version 12.2.0, passing nested lists as coordinates to APIs that accept coordinates such as ImagePath.Path, ImageDraw.ImageDraw.polygon and ImageDraw.ImageDraw.line could cause a heap buffer overflow, as nested lists were recursively unpacked beyond the allocated buffer. Coordinate lists are now validated to contain exactly two numeric coordinates. This issue has been patched in version 12.2.0.