CVE-2021-41690

2022-06-2800:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

0.001 Low

EPSS

Percentile

38.3%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchdcmtk< 3.6.2-3ubuntu0.1~esm1UNKNOWN
ubuntu20.04noarchdcmtk< 3.6.4-2.1ubuntu0.1~esm1UNKNOWN
ubuntu22.04noarchdcmtk< 3.6.6-5ubuntu0.1~esm1UNKNOWN
ubuntu16.04noarchdcmtk< 3.6.1~20150924-5ubuntu0.1~esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	dcmtk	< 3.6.2-3ubuntu0.1~esm1	UNKNOWN
ubuntu	20.04	noarch	dcmtk	< 3.6.4-2.1ubuntu0.1~esm1	UNKNOWN
ubuntu	22.04	noarch	dcmtk	< 3.6.6-5ubuntu0.1~esm1	UNKNOWN
ubuntu	16.04	noarch	dcmtk	< 3.6.1~20150924-5ubuntu0.1~esm1	UNKNOWN