CVE-2026-5443
CRITICAL EPSS 42.9%
Published Apr 9, 20262mo ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Published Apr 9, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High
Threat Intelligence
EPSS Exploit Probability
42.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-787 Out-of-bounds Write Memory Safety
Affected Products 1
| Vendor | Product | Version | Range |
|---|---|---|---|
| orthanc-server | orthanc | * | <1.12.11 |
References 3
- kb.cert.org https://kb.cert.org/vuls/id/536588
- machinespirits.de https://www.machinespirits.de/
- orthanc-server.com https://www.orthanc-server.com/
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.