UBUNTU-CVE-2021-41690

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Source
https://ubuntu.com/security/CVE-2021-41690
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41690.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-41690
Upstream
Downstream
Related
Published
2022-06-28T13:15:00Z
Modified
2025-09-08T16:47:22Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:16.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk@3.6.1~20150924-5ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.1~20150924-5ubuntu0.1~esm1

Affected versions

3.*

3.6.0-15.1
3.6.1~20150629-5
3.6.1~20150924-4
3.6.1~20150924-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.6.1~20150924-5ubuntu0.1~esm1",
            "binary_name": "dcmtk"
        },
        {
            "binary_version": "3.6.1~20150924-5ubuntu0.1~esm1",
            "binary_name": "libdcmtk-dev"
        },
        {
            "binary_version": "3.6.1~20150924-5ubuntu0.1~esm1",
            "binary_name": "libdcmtk5"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:Pro:18.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk@3.6.2-3ubuntu0.1~esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.2-3ubuntu0.1~esm1

Affected versions

3.*

3.6.2-2
3.6.2-2build1
3.6.2-3
3.6.2-3build1
3.6.2-3build2
3.6.2-3build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.6.2-3ubuntu0.1~esm1",
            "binary_name": "dcmtk"
        },
        {
            "binary_version": "3.6.2-3ubuntu0.1~esm1",
            "binary_name": "libdcmtk-dev"
        },
        {
            "binary_version": "3.6.2-3ubuntu0.1~esm1",
            "binary_name": "libdcmtk12"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:20.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk@3.6.4-2.1ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.4-2.1ubuntu0.1

Affected versions

3.*

3.6.4-2.1
3.6.4-2.1build1
3.6.4-2.1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.6.4-2.1ubuntu0.1",
            "binary_name": "dcmtk"
        },
        {
            "binary_version": "3.6.4-2.1ubuntu0.1",
            "binary_name": "libdcmtk-dev"
        },
        {
            "binary_version": "3.6.4-2.1ubuntu0.1",
            "binary_name": "libdcmtk14"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:Pro:20.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk@3.6.4-2.1ubuntu0.1~esm1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.4-2.1ubuntu0.1~esm1

Affected versions

3.*

3.6.4-2.1
3.6.4-2.1build1
3.6.4-2.1build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.6.4-2.1ubuntu0.1~esm1",
            "binary_name": "dcmtk"
        },
        {
            "binary_version": "3.6.4-2.1ubuntu0.1~esm1",
            "binary_name": "libdcmtk-dev"
        },
        {
            "binary_version": "3.6.4-2.1ubuntu0.1~esm1",
            "binary_name": "libdcmtk14"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Ubuntu:22.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk@3.6.6-5?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*

3.6.5-1
3.6.6-3ubuntu1
3.6.6-3ubuntu2
3.6.6-4
3.6.6-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.6.6-5",
            "binary_name": "dcmtk"
        },
        {
            "binary_version": "3.6.6-5",
            "binary_name": "libdcmtk-dev"
        },
        {
            "binary_version": "3.6.6-5",
            "binary_name": "libdcmtk16"
        }
    ]
}

Ubuntu:Pro:22.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk@3.6.6-5ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.6.6-5ubuntu0.1~esm1

Affected versions

3.*

3.6.5-1
3.6.6-3ubuntu1
3.6.6-3ubuntu2
3.6.6-4
3.6.6-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.6.6-5ubuntu0.1~esm1",
            "binary_name": "dcmtk"
        },
        {
            "binary_version": "3.6.6-5ubuntu0.1~esm1",
            "binary_name": "libdcmtk-dev"
        },
        {
            "binary_version": "3.6.6-5ubuntu0.1~esm1",
            "binary_name": "libdcmtk16"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}