CVEvulnerability
CVE-2021-41687
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 program malloc a heap memory for parsing data, but does not free it when error in parsing. Sending specific requests to the dcmqrdb program incur the 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