Unrated severityNVD Advisory· Published Jun 28, 2022· Updated Nov 3, 2025
CVE-2021-41687
CVE-2021-41687
Description
DCMTK through 3.6.6 does not handle memory free properly. The program malloc a heap memory for parsing data, but does not free it when error in parsing. Sending specific requests to the dcmqrdb program incur the memory leak. 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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