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CVE ID: CVE-2021-41688

Last updated: July 6, 2022, 7:44 p.m.

Severity: MEDIUM

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.

Severity score: 2.9 Base score: 5.0 Exploitability score: 10.0 Confidentiality impact: NONE Integrity impact: NONE User interaction required: False Published: June 28, 2022, 1:15 p.m. Data type: CVE Data format: MITRE Assigner: cve@mitre.org Problem type: CWE-415 Reference url: https://github.com/DCMTK/dcmtk Reference name: https://github.com/DCMTK/dcmtk Reference source: MISC CVE version: 2.0 Vector string: AV:N/AC:L/Au:N/C:N/I:N/A:P Access vector: NETWORK Access complexity: LOW Authentication: NONE Base severity: AcInsf info: False Obtain all priviledges: False User privilege: False Other privilege: False

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