UBUNTU-CVE-2021-41687

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Source
https://ubuntu.com/security/CVE-2021-41687
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41687.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-41687
Upstream
Downstream
Related
Published
2022-06-28T13:15:00Z
Modified
2026-08-31T17:25:56Z
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 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.

References

Affected packages

Ubuntu:Pro:16.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41687.json"

Ubuntu:Pro:18.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk?arch=source&distro=esm-apps%2Fbionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.6.2-3ubuntu0.1~esm3

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
3.6.2-3ubuntu0.1~esm1
3.6.2-3ubuntu0.1~esm2

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "dcmtk",
            "binary_version": "3.6.2-3ubuntu0.1~esm3"
        },
        {
            "binary_name": "libdcmtk12",
            "binary_version": "3.6.2-3ubuntu0.1~esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41687.json"

Ubuntu:20.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41687.json"

Ubuntu:Pro:20.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk?arch=source&distro=esm-apps%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41687.json"

Ubuntu:Pro:22.04:LTS / dcmtk

Package

Name
dcmtk
Purl
pkg:deb/ubuntu/dcmtk?arch=source&distro=esm-apps%2Fjammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown 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 

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41687.json"