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CVE-2021-41688

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 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.

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-415
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON