CVE-2026-3650

A memory leak exists in the Grassroots DICOM library (GDCM). The bug occurs when parsing malformed DICOM files with non-standard VR types in file meta information. The vulnerability leads to vast memory allocations and resource depletion, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-083-01.json
https://sourceforge.net/projects/gdcm/
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-083-01

Configurations

No configuration.

History

30 Mar 2026, 13:26

Type	Values Removed	Values Added
Summary		(es) Existe una fuga de memoria en la biblioteca Grassroots DICOM (GDCM). El error ocurre al analizar archivos DICOM malformados con tipos VR no estándar en la metainformación del archivo. La vulnerabilidad conduce a grandes asignaciones de memoria y agotamiento de recursos, desencadenando una condición de denegación de servicio. Un archivo creado maliciosamente puede llenar el heap en una única operación de lectura sin liberarlo correctamente.

26 Mar 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-26 22:16

Updated : 2026-03-30 13:26

NVD link : CVE-2026-3650

Mitre link : CVE-2026-3650

CVE.ORG link : CVE-2026-3650

JSON object : View

Products Affected

No product.

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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