Unrated severityNVD Advisory· Published Jun 28, 2022· Updated Nov 3, 2025
CVE-2021-41688
CVE-2021-41688
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
2News mentions
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