DCMTK through 3.6.6 does not handle memory free properly.... · CVE-2021-41688 · GitHub Advisory Database · GitHub

DCMTK through 3.6.6 does not handle memory free properly....

High severity Unreviewed Published Jun 29, 2022 to the GitHub Advisory Database • Updated Jun 29, 2024

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

DCMTK through 3.6.6 does not handle memory free properly. The object in the program is free but its address is still used in other locations. Sending specific requests to the dcmqrdb program will incur a double free. An attacker can use it to launch a DoS attack.

References

Published by the National Vulnerability Database

Jun 28, 2022

Published to the GitHub Advisory Database Jun 29, 2022

Last updated Jun 29, 2024

Severity

High

7.5

/ 10

CVSS base metrics

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H