Description
DCMTK through 3.6.6 does not handle memory free properly. The malloced memory for storing all file information are recorded in a global variable LST and are not freed properly. Sending specific requests to the dcmqrdb program can incur a memory leak. An attacker can use it to launch a DoS attack.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://github.com/DCMTK/dcmtkProduct, Third Party Advisory
- https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cbPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html
- https://github.com/DCMTK/dcmtkProduct, Third Party Advisory
- https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cbPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00032.html
Timeline
- Published
- Jun 28, 2022
- Last modified
- Jun 17, 2026
- NVD status
- Modified