CVEvulnerability
CVE-2021-41690
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2022-06-28
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-401
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.
Affected configurations
• offis dcmtk (<= 3.6.6)
Related
Weakness · CWE (1)
- CWE-401 Missing Release of Memory after Effective Lifetime weakness
References
- https://github.com/DCMTK/dcmtk Product, Third Party Advisory
- https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html lists.debian.org
- https://github.com/DCMTK/dcmtk Product, Third Party Advisory
- https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2025/01/msg00032.html lists.debian.org