What is CVE-2026-3650?

CVE-2026-3650 is a high-severity vulnerability in Grassroots Dicom (Gdcm), classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2026-03-26.

How severe is CVE-2026-3650?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Grassroots Dicom (Gdcm)

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…

EPSS: 0.001 (22.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Grassroots Dicom (Gdcm) — versions 3.2.2

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

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

Frequently asked questions

What is CVE-2026-3650?: CVE-2026-3650 is a high-severity vulnerability in Grassroots Dicom (Gdcm), classified under Missing Release of Memory after Effective Lifetime. CVSS score: 7.5/10. Published 2026-03-26.
How severe is CVE-2026-3650?: High severity. CVSS v3 base score is 7.5 out of 10.