CVEvulnerability
CVE-2021-41688
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-415
Description
DCMTK through 3.6.6 does not handle memory free properly. The object in the program is free but its address is still used in other locations. Sending specific requests to the dcmqrdb program will incur a double free. An attacker can use it to launch a DoS attack.
Affected configurations
• offis dcmtk (<= 3.6.6)
Related
Weakness · CWE (1)
- CWE-415 Double Free 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