cve.bz

CVE-2021-41690

7.5 highEPSS 1.8%

High (7.5) in offis dcmtk. EPSS 1.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
CWE
CWE-401
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON