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8.3
CVE-2026-3650: Grassroots DICOM library (GDCM) can be crashed by malformed files
CVE-2026-3650 · published 7 months ago
Summary
The Grassroots DICOM library can crash if it's given a specially crafted DICOM file. This could happen if you use a malformed file, which could potentially cause your system to run out of memory or crash. Update to the latest version of the library to prevent this issue.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Debian:11 | debian | gdcm | All versions |
| Debian:12 | debian | gdcm | All versions |
| Debian:13 | debian | gdcm | All versions |
| Debian:14 | debian | gdcm | All versions |
| Ubuntu:Pro:14.04:LTS | canonical | gdcm | All versions |
Original advisory text
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 m...
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.
References
- https://security-tracker.debian.org/tracker/CVE-2026-3650 Vendor Advisory
- https://ubuntu.com/security/CVE-2026-3650 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2026-3650 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2451988 Third Party Advisory
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-0... Third Party Advisory
- https://sourceforge.net/projects/gdcm/ Third Party Advisory
- https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-083-01 Third Party Advisory
Internet-facing
14 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically (estimated)
- Gives an attacker partial control (estimated)
Type
CWE-401Memory Leak
Timeline
Published26 Mar 2026
Updated4 Nov 2026
First seen26 Mar 2026
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