CVE-2021-41690: High severity dcmtk vulnerability
Published 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.
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·09:41 AM
Data Sourced
via MITRE·09:41 AM
Description
Data Sourced
via NVD·01:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Sep 21, 2024
Data Sourced
via Ubuntu·10:10 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·10:11 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2021-41690?
CVE-2021-41690 is classified as a medium severity vulnerability due to its potential to cause a denial of service via memory leak.
2
How do I fix CVE-2021-41690?
To fix CVE-2021-41690, upgrade to DCMTK version 3.6.7 or later.
3
What types of attacks can exploit CVE-2021-41690?
CVE-2021-41690 can be exploited to launch denial of service attacks by causing memory leaks.
4
Which software is affected by CVE-2021-41690?
CVE-2021-41690 affects OFFIS DCMTK versions up to 3.6.6.
5
Is there a workaround for CVE-2021-41690?
There is no official workaround documented for CVE-2021-41690 other than upgrading to a patched version.