CVE-2026-5443

CRITICAL SEVERITY

CVSS Score & Metrics

Base Score

9.8 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability Description

A heap buffer overflow vulnerability exists during the decoding of `PALETTE COLOR` DICOM images. Pixel length validation uses 32-bit multiplication for width and height calculations. If these values overflow, the validation check incorrectly succeeds, allowing the decoder to read and write to memory beyond allocated buffers.

Vulnerability Details

Published Date

April 09, 2026

Last Modified

April 14, 2026

CWE ID

CWE-787

Source

NVD

Vendor

orthanc-server

Product

orthanc

External References

https://kb.cert.org/vuls/id/536588
https://www.machinespirits.de/
https://www.orthanc-server.com/

CVE-2026-5443

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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