CVE-2021-41690
HIGH7.5EPSS 0.14%Published: 6/28/2022Modified: 4/28/2026
Also known as:DEBIAN-CVE-2021-41690
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 packages (1)
- Debian/dcmtkfrom 0, < 3.6.5-1+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |