CVE-2026-2034 Sante DICOM Viewer Pro DCM File Parsing Buffer Overflow Remote Code Execution Vulnerability

High 7.8 Published 20 Feb 2026 Updated 24 Feb 2026

Remote attackers can execute arbitrary code by tricking users into opening malicious DCM files in Sante DICOM Viewer Pro.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-2034?

CVE-2026-2034 is a high-severity memory corruption vulnerability in Sante DICOM Viewer Pro, published on 20 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Sante DICOM Viewer Pro DCM File Parsing Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Sante DICOM Viewer Pro. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the parsing of DCM files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-28129.

Weakness: CWE-120

Which versions are affected by CVE-2026-2034?

It affects 1 product.

Products include Santesoft Dicom Viewer Pro.

How do I fix CVE-2026-2034?

No fix has been published for CVE-2026-2034 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2026-2034 being exploited?

There is no known exploitation of CVE-2026-2034 in the wild and no public exploit code.

Sources

Also known as GHSA-4cqv-6xj6-7w79.