UBUNTU-CVE-2026-44031

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Source
https://ubuntu.com/security/CVE-2026-44031
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44031.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-44031
Upstream
Published
2026-10-13T00:00:00Z
Modified
2026-10-14T03:23:02Z
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
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Uncontrolled recursion in DcmSequenceOfItems::read() and DcmItem::read() in the dcmdata library of OFFIS DCMTK 3.7.0 allows a remote, unauthenticated attacker to cause a denial of service (stack exhaustion and process crash) via a DICOM dataset containing deeply nested sequences (SQ elements). The dataset can be sent in a C-STORE request to storescp, dcmrecv, dcmqrscp, or any other DICOM service built on DCMTK, because the received dataset is parsed before any authentication takes place. Local tools such as dcmdump also crash when opening such a file. The issue is fixed in commit 885ff0f10372bd589b5f44cea974f28a3964cb0f, which adds a configurable sequence nesting depth limit (default 64).

References

Affected packages

Ubuntu:26.04:LTS
dcmtk

Package

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

Affected ranges

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

Affected versions

3.*
3.6.9-5build1
3.6.9-6
3.7.0+really3.6.9-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "dcmtk",
            "binary_version":  "3.7.0+really3.6.9-1"
        },
        {
            "binary_name":  "dcmtk-data",
            "binary_version":  "3.7.0+really3.6.9-1"
        },
        {
            "binary_name":  "libdcmtk19",
            "binary_version":  "3.7.0+really3.6.9-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44031.json"
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

Affected versions

3.*
3.6.0-15.1
3.6.1~20150629-5
3.6.1~20150924-4
3.6.1~20150924-5
3.6.1~20150924-5ubuntu0.1~esm1
3.6.1~20150924-5ubuntu0.1~esm2
3.6.1~20150924-5ubuntu0.1~esm3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "dcmtk",
            "binary_version":  "3.6.1~20150924-5ubuntu0.1~esm3"
        },
        {
            "binary_name":  "libdcmtk5",
            "binary_version":  "3.6.1~20150924-5ubuntu0.1~esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44031.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

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
3.6.2-3ubuntu0.1~esm3

Ecosystem specific 

{
    "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/2026/UBUNTU-CVE-2026-44031.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

Affected versions

3.*
3.6.4-2.1
3.6.4-2.1build1
3.6.4-2.1build2
3.6.4-2.1ubuntu0.1~esm1
3.6.4-2.1ubuntu0.1
3.6.4-2.1ubuntu0.1+esm1
3.6.4-2.1ubuntu0.2
3.6.4-2.1ubuntu0.2+esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "dcmtk",
            "binary_version":  "3.6.4-2.1ubuntu0.2+esm1"
        },
        {
            "binary_name":  "libdcmtk14",
            "binary_version":  "3.6.4-2.1ubuntu0.2+esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44031.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

Affected versions

3.*
3.6.5-1
3.6.6-3ubuntu1
3.6.6-3ubuntu2
3.6.6-4
3.6.6-5
3.6.6-5ubuntu0.1~esm1
3.6.6-5ubuntu0.1~esm2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "dcmtk",
            "binary_version":  "3.6.6-5ubuntu0.1~esm2"
        },
        {
            "binary_name":  "libdcmtk16",
            "binary_version":  "3.6.6-5ubuntu0.1~esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44031.json"
Ubuntu:Pro:24.04:LTS
dcmtk

Package

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

Affected ranges

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

Affected versions

3.*
3.6.7-9
3.6.7-9.1build2
3.6.7-9.1build3
3.6.7-9.1build4
3.6.7-9.1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "dcmtk",
            "binary_version":  "3.6.7-9.1ubuntu0.1~esm1"
        },
        {
            "binary_name":  "libdcmtk17t64",
            "binary_version":  "3.6.7-9.1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-44031.json"