UBUNTU-CVE-2026-5443

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Source

https://ubuntu.com/security/CVE-2026-5443

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5443.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-5443

Upstream

CVE-2026-5443

Published

2026-04-09T15:16:00Z

Modified

2026-05-26T19:29:37.211434530Z

Severity

9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

A heap buffer overflow vulnerability exists during the decoding of PALETTE COLOR DICOM images. Pixel length validation uses 32-bit multiplication for width and height calculations. If these values overflow, the validation check incorrectly succeeds, allowing the decoder to read and write to memory beyond allocated buffers.

References

Affected packages

Ubuntu:16.04:LTS

orthanc

Package

Name: orthanc
Purl: pkg:deb/ubuntu/orthanc?arch=source&distro=xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.9.4+dfsg-1

0.9.4+dfsg-2

0.9.5+dfsg-1

1.*

1.0.0+dfsg-1

1.0.0+dfsg-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "orthanc",
            "binary_version": "1.0.0+dfsg-1build1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5443.json"

Ubuntu:18.04:LTS

orthanc

Package

Name: orthanc
Purl: pkg:deb/ubuntu/orthanc?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.3.0+dfsg-1build1

1.3.0+dfsg-1build2

1.3.1+dfsg-1

1.3.1+dfsg-1build1

1.3.1+dfsg-1build2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "orthanc",
            "binary_version": "1.3.1+dfsg-1build2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5443.json"

Ubuntu:20.04:LTS

orthanc

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.5.7+dfsg-2

1.5.8+dfsg-2

1.5.8+dfsg-2ubuntu2

1.5.8+dfsg-2ubuntu3

1.5.8+dfsg-2ubuntu4

1.5.8+dfsg-2ubuntu5

1.5.8+dfsg-2ubuntu6

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "orthanc",
            "binary_version": "1.5.8+dfsg-2ubuntu6"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5443.json"

Ubuntu:22.04:LTS

orthanc

Package

Name: orthanc
Purl: pkg:deb/ubuntu/orthanc?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.9.2+really1.9.1+dfsg-1

1.9.7+dfsg-3ubuntu1

1.9.7+dfsg-3ubuntu2

1.9.7+dfsg-4

1.9.7+dfsg-5

1.9.7+dfsg-6

1.10.0+dfsg-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "liborthancframework1",
            "binary_version": "1.10.0+dfsg-1"
        },
        {
            "binary_name": "orthanc",
            "binary_version": "1.10.0+dfsg-1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5443.json"

Ubuntu:24.04:LTS

orthanc

Package

Name: orthanc
Purl: pkg:deb/ubuntu/orthanc?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.12.1+dfsg-3

1.12.1+dfsg-4

1.12.1+dfsg-4build1

1.12.2+dfsg-1

1.12.2+dfsg-1build3

1.12.2+dfsg-1build4

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "liborthancframework1",
            "binary_version": "1.12.2+dfsg-1build4"
        },
        {
            "binary_name": "orthanc",
            "binary_version": "1.12.2+dfsg-1build4"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5443.json"

Ubuntu:25.10

orthanc

Package

Name: orthanc
Purl: pkg:deb/ubuntu/orthanc?arch=source&distro=questing

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.12.6+dfsg-1

1.12.7+dfsg-4

1.12.7+dfsg-4build2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "liborthancframework1",
            "binary_version": "1.12.7+dfsg-4build2"
        },
        {
            "binary_name": "orthanc",
            "binary_version": "1.12.7+dfsg-4build2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5443.json"

Ubuntu:26.04:LTS

orthanc

Package

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

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.12.7+dfsg-4build2

1.12.9+dfsg-2

1.12.10+dfsg-1

1.12.10+dfsg-1build1

1.12.10+dfsg-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "liborthancframework1",
            "binary_version": "1.12.10+dfsg-2"
        },
        {
            "binary_name": "orthanc",
            "binary_version": "1.12.10+dfsg-2"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-5443.json"