High severity7.5NVD Advisory· Published Jun 28, 2022· Updated Jun 17, 2026
CVE-2021-41690
CVE-2021-41690
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.
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Affected products
3Patches
Vulnerability mechanics
References
3News mentions
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