CVE-2026-3650 Details
Description
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, triggering a denial-of-service condition. A maliciously crafted file can fill the heap in a single read operation without properly releasing it.
A memory leak vulnerability has been identified in the Grassroots DICOM library (GDCM) version 3.2.2. This issue arises when the library parses malformed DICOM files containing non-standard VR types in the file meta information. The vulnerability causes excessive memory allocation and resource exhaustion, leading to a denial-of-service condition. A maliciously crafted DICOM file can fill the heap in a single read operation without releasing the memory properly.
The maintainer of Grassroots DICOM (GDCM) has not responded to requests to work with CISA to mitigate this vulnerability. For update information, refer to the Grassroots DICOM project page on SourceForge.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Mar 27, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-401 | Missing Release of Memory after Effective Lifetime | [email protected] |
Affected Products
No affected product data is available for this CVE.
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Mar 26, 2026 | New CVE Received | [email protected] |