| Name | CVE-2026-3650 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4652-1 |
| Debian Bugs | 1132042 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gdcm (PTS) | bullseye | 3.0.8-2 | vulnerable |
| bullseye (security) | 3.0.8-2+deb11u1 | fixed |
| bookworm | 3.0.21-1 | vulnerable |
| trixie | 3.0.24-5 | vulnerable |
| forky, sid | 3.0.24-11 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| gdcm | source | bullseye | 3.0.8-2+deb11u1 | | DLA-4652-1 | |
| gdcm | source | (unstable) | 3.0.24-11 | | | 1132042 |
Notes
[trixie] - gdcm <postponed> (Minor issue, revisit when fixed upstream)
[bookworm] - gdcm <postponed> (Minor issue, revisit when fixed upstream)
https://bugzilla.redhat.com/show_bug.cgi?id=2451988
https://github.com/malaterre/GDCM/commit/9d65a217c958968a74c14b10388d03ca61953a74 (v3.2.6)