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CVE-2026-5439

Orthanc

Descripción

A memory exhaustion vulnerability exists in ZIP archive processing. Orthanc automatically extracts ZIP archives uploaded to certain endpoints and trusts metadata fields describing the uncompressed size of archived files. An attacker can craft a small ZIP archive containing a forged size value, causing the server to allocate extremely large buffers during extraction.

CVSS 7.5EPSS 0.426%Riesgo 0.78
Ver fuente
Publicación
2026-04-09 15:16:15
Versiones afectadas
unknown
Tipo
Core software
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H