CVE-2021-41687: High severity dcmtk vulnerability
Published Jun 28, 2022
·Updated
DCMTK through 3.6.6 does not handle memory free properly. The program malloc a heap memory for parsing data, but does not free it when error in parsing. Sending specific requests to the dcmqrdb program incur the memory leak. An attacker can use it to launch a DoS attack.
Affected Software
2 affected componentsFixes available
debian/dcmtk<=3.6.5-1
3.6.7-9~deb12u13.6.8-6
OFFIS DCMTK<=3.6.6
Remediation
Event History
Jun 28, 2022
CVE Published
via MITRE·09:46 AM
Data Sourced
via MITRE·09:46 AM
Description
Data Sourced
via NVD·01:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 25, 2024
Data Sourced
via Ubuntu·10:11 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·10:12 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2021-41687?
CVE-2021-41687 has been classified as a medium severity vulnerability due to the memory leak that can lead to a denial-of-service attack.
2
How do I fix CVE-2021-41687?
To mitigate CVE-2021-41687, upgrade DCMTK to version 3.6.7-9~deb12u1 or 3.6.8-6 to address the memory leak issue.
3
What software is affected by CVE-2021-41687?
CVE-2021-41687 affects DCMTK versions up to and including 3.6.6.
4
What type of attack can be launched using CVE-2021-41687?
An attacker can exploit CVE-2021-41687 to launch a denial-of-service (DoS) attack by causing a memory leak.
5
When was CVE-2021-41687 last updated?
CVE-2021-41687 was last updated on September 17, 2021.