VULNERABILITY INTELLIGENCE
CVE-2021-41689
CVSS score7.5 HIGH
EPSS probability1.94%
CISA KEVNot currently listed
Published2022-06-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
DCMTK through 3.6.6 does not handle string copy properly. Sending specific requests to the dcmqrdb program, it would query its database and copy the result even if the result is null, which can incur a head-based overflow. An attacker can use it to launch a DoS attack.
Weakness classification
- nvd@nist.gov: CWE-476
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-476
Primary references
- cve@mitre.org — Product, Third Party Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org
- af854a3a-2127-422b-91ae-364da2661108 — Product, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108