What is CVE-2026-2034?

CVE-2026-2034 is a high-severity vulnerability in Sante Dicom Viewer Pro, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2026-02-20.

How severe is CVE-2026-2034?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Sante Dicom Viewer Pro

CVE-2026-2034

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.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Sante Dicom Viewer Pro — versions 14.2.6.0
Santesoft Dicom_viewer_pro

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2026-2034?: CVE-2026-2034 is a high-severity vulnerability in Sante Dicom Viewer Pro, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.8/10. Published 2026-02-20.
How severe is CVE-2026-2034?: High severity. CVSS v3 base score is 7.8 out of 10.