Memory Leak Vulnerability in DCMTK by Offis
CVE-2021-41687

7.5HIGH

Key Information:

Vendor

Offis

Status
Dcmtk
Vendor
CVE Published:
28 June 2022

What is CVE-2021-41687?

The DCMTK library, up to version 3.6.6, contains a vulnerability due to improper memory management that leads to a memory leak when parsing data. When specific requests are sent to the dcmqrdb program, it can result in unfreed heap memory, creating conditions that may allow an attacker to perform a denial of service (DoS) attack on the application by exhausting available memory resources.

References

https://github.com/DCMTK/dcmtk
https://github.com/DCMTK/dcmtk/commit/a9697dfeb672b0b9412...
https://lists.debian.org/debian-lts-announce/2024/06/msg0...
mailing-list

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.