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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History
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Status: PUBLISHED
Assigner: mitre
Published: 2022-06-28T09:44:06.000Z
Updated: 2025-11-03T20:33:56.780Z
Reserved: 2021-09-27T00:00:00.000Z
Link: CVE-2021-41688
Updated: 2025-11-03T20:33:56.780Z
Status : Modified
Published: 2022-06-28T13:15:10.380
Modified: 2025-11-03T21:15:43.377
Link: CVE-2021-41688
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