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.
Metrics
Affected Vendors & Products
Advisories
| Source | ID | Title |
|---|---|---|
Debian DLA |
DLA-3847-1 | dcmtk security update |
Debian DLA |
DLA-4038-1 | dcmtk security update |
EUVD |
EUVD-2021-28702 | 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. |
Ubuntu USN |
USN-5882-1 | DCMTK vulnerabilities |
Ubuntu USN |
USN-7010-1 | DCMTK vulnerabilities |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 03 Nov 2025 21:30:00 +0000
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Mon, 03 Nov 2025 21:15:00 +0000
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| Metrics |
ssvc
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Wed, 16 Jul 2025 13:45:00 +0000
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epss
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epss
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Projects
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2025-11-03T20:33:59.706Z
Reserved: 2021-09-27T00:00:00.000Z
Link: CVE-2021-41690
Updated: 2025-11-03T20:33:59.706Z
Status : Modified
Published: 2022-06-28T13:15:10.783
Modified: 2025-11-03T21:15:43.707
Link: CVE-2021-41690
No data.
OpenCVE Enrichment
No data.
Weaknesses
Debian DLA
EUVD
Ubuntu USN