CVE-2021-41687

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.10%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/DCMTK/dcmtk third party advisory product
https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412c00c7d36d801e27ec85cb third party advisory patch
https://lists.debian.org/debian-lts-announce/2024/06/msg00022.html mailing list

Frequently Asked Questions

What is the severity of CVE-2021-41687?
CVE-2021-41687 has been scored as a high severity vulnerability.
How to fix CVE-2021-41687?
To fix CVE-2021-41687, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-41687 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-41687 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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