CVE-2021-41690
First published: Tue Jun 28 2022(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| OFFIS DCMTK | <=3.6.6 | |
| debian/dcmtk | <=3.6.5-1 | 3.6.7-9~deb12u1 3.6.8-6 |
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Reference Links
- https://github.com/DCMTK/dcmtk
- https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb
- https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41690
- https://nvd.nist.gov/vuln/detail/CVE-2021-41690
- https://launchpad.net/bugs/cve/CVE-2021-41690
- https://security-tracker.debian.org/tracker/CVE-2021-41690
- https://ubuntu.com/security/CVE-2021-41690
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- canonical/offis dcmtk
- version/offis dcmtk/3.6.6
- package-manager/debian