VULNERABILITY INTELLIGENCE

CVE-2021-41690

CVSS score7.5 HIGH
EPSS probability1.84%
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 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.

Weakness classification

  • nvd@nist.gov: CWE-401

Primary references