UBUNTU-CVE-2026-21982

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2026-21982
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21982.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-21982
Upstream
  • CVE-2026-21982
Published
2026-01-20T22:16:00Z
Modified
2026-05-20T16:24:11Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 6.4 (Medium) CVSS_V3 - CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). Supported versions that are affected are 7.1.14 and 7.2.4. Difficult to exploit vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. Successful attacks of this vulnerability can result in takeover of Oracle VM VirtualBox. CVSS 3.1 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

References

Affected packages

Ubuntu:16.04:LTS
virtualbox

Package

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

Affected ranges

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

Affected versions

5.*
5.0.4-dfsg-2
5.0.8-dfsg-1
5.0.10-dfsg-1
5.0.10-dfsg-2
5.0.10-dfsg-3
5.0.10-dfsg-4
5.0.10-dfsg-5
5.0.10-dfsg-6
5.0.10-dfsg-7
5.0.12-dfsg-1
5.0.12-dfsg-2
5.0.14-dfsg-1
5.0.14-dfsg-2
5.0.14-dfsg-2build1
5.0.16-dfsg-2
5.0.16-dfsg-3
5.0.18-dfsg-1
5.0.18-dfsg-1ubuntu1
5.0.18-dfsg-2
5.0.18-dfsg-2build1
5.0.18-dfsg-2ubuntu1
5.0.24-dfsg-0ubuntu1.16.04.1
5.0.32-dfsg-0ubuntu1.16.04.2
5.0.36-dfsg-0ubuntu1.16.04.2
5.0.40-dfsg-0ubuntu1.16.04.1
5.0.40-dfsg-0ubuntu1.16.04.2
5.1.34-dfsg-0ubuntu1.16.04.2
5.1.38-dfsg-0ubuntu1.16.04.1
5.1.38-dfsg-0ubuntu1.16.04.2
5.1.38-dfsg-0ubuntu1.16.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "virtualbox",
            "binary_version": "5.1.38-dfsg-0ubuntu1.16.04.3"
        },
        {
            "binary_name": "virtualbox-dkms",
            "binary_version": "5.1.38-dfsg-0ubuntu1.16.04.3"
        },
        {
            "binary_name": "virtualbox-guest-dkms",
            "binary_version": "5.1.38-dfsg-0ubuntu1.16.04.3"
        },
        {
            "binary_name": "virtualbox-guest-source",
            "binary_version": "5.1.38-dfsg-0ubuntu1.16.04.3"
        },
        {
            "binary_name": "virtualbox-guest-utils",
            "binary_version": "5.1.38-dfsg-0ubuntu1.16.04.3"
        },
        {
            "binary_name": "virtualbox-guest-x11",
            "binary_version": "5.1.38-dfsg-0ubuntu1.16.04.3"
        },
        {
            "binary_name": "virtualbox-qt",
            "binary_version": "5.1.38-dfsg-0ubuntu1.16.04.3"
        },
        {
            "binary_name": "virtualbox-source",
            "binary_version": "5.1.38-dfsg-0ubuntu1.16.04.3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21982.json"
Ubuntu:18.04:LTS
virtualbox

Package

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

Affected ranges

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

Affected versions

5.*
5.1.30-dfsg-1
5.2.0-dfsg-1build2
5.2.0-dfsg-2
5.2.0-dfsg-4
5.2.0-dfsg-5
5.2.2-dfsg-2
5.2.2-dfsg-3~build1
5.2.2-dfsg-3
5.2.4-dfsg-1
5.2.4-dfsg-2
5.2.6-dfsg-1
5.2.6-dfsg-2
5.2.6-dfsg-3
5.2.6-dfsg-3build1
5.2.6-dfsg-5
5.2.8-dfsg-2
5.2.8-dfsg-3
5.2.8-dfsg-5
5.2.8-dfsg-6
5.2.8-dfsg-7
5.2.10-dfsg-1
5.2.10-dfsg-2
5.2.10-dfsg-5
5.2.10-dfsg-6
5.2.10-dfsg-6ubuntu18.04.1
5.2.18-dfsg-2~ubuntu18.04.1
5.2.18-dfsg-2~ubuntu18.04.3
5.2.18-dfsg-2~ubuntu18.04.5
5.2.32-dfsg-0~ubuntu18.04.1
5.2.34-dfsg-0~ubuntu18.04.1
5.2.42-dfsg-0~ubuntu1.18.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "virtualbox",
            "binary_version": "5.2.42-dfsg-0~ubuntu1.18.04.1"
        },
        {
            "binary_name": "virtualbox-dkms",
            "binary_version": "5.2.42-dfsg-0~ubuntu1.18.04.1"
        },
        {
            "binary_name": "virtualbox-guest-dkms",
            "binary_version": "5.2.42-dfsg-0~ubuntu1.18.04.1"
        },
        {
            "binary_name": "virtualbox-guest-source",
            "binary_version": "5.2.42-dfsg-0~ubuntu1.18.04.1"
        },
        {
            "binary_name": "virtualbox-guest-utils",
            "binary_version": "5.2.42-dfsg-0~ubuntu1.18.04.1"
        },
        {
            "binary_name": "virtualbox-guest-x11",
            "binary_version": "5.2.42-dfsg-0~ubuntu1.18.04.1"
        },
        {
            "binary_name": "virtualbox-qt",
            "binary_version": "5.2.42-dfsg-0~ubuntu1.18.04.1"
        },
        {
            "binary_name": "virtualbox-source",
            "binary_version": "5.2.42-dfsg-0~ubuntu1.18.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21982.json"
Ubuntu:20.04:LTS
virtualbox

Package

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

Affected ranges

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

Affected versions

6.*
6.0.14-dfsg-1
6.0.14-dfsg-2~build1
6.0.14-dfsg-2
6.1.0-dfsg-3build1
6.1.0-dfsg-3build2
6.1.2-dfsg-1
6.1.2-dfsg-1build1
6.1.4-dfsg-1
6.1.4-dfsg-2~build1
6.1.4-dfsg-2
6.1.4-dfsg-4
6.1.6-dfsg-1
6.1.10-dfsg-1~ubuntu1.20.04.1
6.1.16-dfsg-6~ubuntu1.20.04.1
6.1.16-dfsg-6~ubuntu1.20.04.2
6.1.22-dfsg-2~ubuntu1.20.04.1
6.1.26-dfsg-3~ubuntu1.20.04.1
6.1.26-dfsg-3~ubuntu1.20.04.2
6.1.32-dfsg-1~ubuntu1.20.04.1
6.1.34-dfsg-3~ubuntu1.20.04.1
6.1.38-dfsg-3~ubuntu1.20.04.1
6.1.48-dfsg-1~ubuntu1.20.04.1
6.1.50-dfsg-1~ubuntu1.20.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "virtualbox",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.20.04.1"
        },
        {
            "binary_name": "virtualbox-dkms",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.20.04.1"
        },
        {
            "binary_name": "virtualbox-guest-dkms",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.20.04.1"
        },
        {
            "binary_name": "virtualbox-guest-source",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.20.04.1"
        },
        {
            "binary_name": "virtualbox-guest-utils",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.20.04.1"
        },
        {
            "binary_name": "virtualbox-guest-x11",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.20.04.1"
        },
        {
            "binary_name": "virtualbox-qt",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.20.04.1"
        },
        {
            "binary_name": "virtualbox-source",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.20.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21982.json"
Ubuntu:22.04:LTS
virtualbox

Package

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

Affected ranges

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

Affected versions

6.*
6.1.26-dfsg-4
6.1.28-dfsg-1
6.1.30-dfsg-1
6.1.32-dfsg-1
6.1.32-dfsg-1build1
6.1.34-dfsg-3~ubuntu1.22.04.1
6.1.38-dfsg-3~ubuntu1.22.04.1
6.1.48-dfsg-1~ubuntu1.22.04.1
6.1.50-dfsg-1~ubuntu1.22.04.1
6.1.50-dfsg-1~ubuntu1.22.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "virtualbox",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.22.04.3"
        },
        {
            "binary_name": "virtualbox-dkms",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.22.04.3"
        },
        {
            "binary_name": "virtualbox-guest-utils",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.22.04.3"
        },
        {
            "binary_name": "virtualbox-guest-x11",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.22.04.3"
        },
        {
            "binary_name": "virtualbox-qt",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.22.04.3"
        },
        {
            "binary_name": "virtualbox-source",
            "binary_version": "6.1.50-dfsg-1~ubuntu1.22.04.3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21982.json"
Ubuntu:24.04:LTS
virtualbox

Package

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

Affected ranges

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

Affected versions

7.*
7.0.10-dfsg-3
7.0.12-dfsg-1
7.0.12-dfsg-1build1
7.0.14-dfsg-1
7.0.14-dfsg-2
7.0.14-dfsg-4
7.0.14-dfsg-4build4
7.0.14-dfsg-4build5
7.0.16-dfsg-1
7.0.16-dfsg-2
7.0.16-dfsg-2ubuntu1
7.0.16-dfsg-2ubuntu1.1
7.0.16-dfsg-2ubuntu1.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "virtualbox",
            "binary_version": "7.0.16-dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "virtualbox-dkms",
            "binary_version": "7.0.16-dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "virtualbox-guest-utils",
            "binary_version": "7.0.16-dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "virtualbox-guest-x11",
            "binary_version": "7.0.16-dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "virtualbox-qt",
            "binary_version": "7.0.16-dfsg-2ubuntu1.3"
        },
        {
            "binary_name": "virtualbox-source",
            "binary_version": "7.0.16-dfsg-2ubuntu1.3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21982.json"
Ubuntu:25.10
virtualbox

Package

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

Affected ranges

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

Affected versions

7.*
7.0.20-dfsg-1.2
7.0.26-dfsg-1
7.1.8-dfsg-2
7.1.8-dfsg-3
7.1.8-dfsg-3build1
7.1.10-dfsg-1
7.1.12-dfsg-1
7.1.12-dfsg-2
7.2.0-dfsg-2
7.2.0-dfsg-3
7.2.2-dfsg-2
7.2.2-dfsg-2ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "virtualbox",
            "binary_version": "7.2.2-dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "virtualbox-dkms",
            "binary_version": "7.2.2-dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "virtualbox-guest-utils",
            "binary_version": "7.2.2-dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "virtualbox-guest-utils-hwe",
            "binary_version": "7.2.2-dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "virtualbox-guest-x11",
            "binary_version": "7.2.2-dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "virtualbox-guest-x11-hwe",
            "binary_version": "7.2.2-dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "virtualbox-qt",
            "binary_version": "7.2.2-dfsg-2ubuntu0.1"
        },
        {
            "binary_name": "virtualbox-source",
            "binary_version": "7.2.2-dfsg-2ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21982.json"
Ubuntu:26.04:LTS
virtualbox

Package

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

Affected ranges

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

Affected versions

7.*
7.2.2-dfsg-2
7.2.2-dfsg-3
7.2.4-dfsg-1
7.2.4-dfsg-1build1
7.2.4-dfsg-2~build1
7.2.4-dfsg-3
7.2.6-dfsg-3
7.2.6-dfsg-3ubuntu1
7.2.6-dfsg-3.2
7.2.6-dfsg-4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "virtualbox",
            "binary_version": "7.2.6-dfsg-4"
        },
        {
            "binary_name": "virtualbox-dkms",
            "binary_version": "7.2.6-dfsg-4"
        },
        {
            "binary_name": "virtualbox-guest-utils",
            "binary_version": "7.2.6-dfsg-4"
        },
        {
            "binary_name": "virtualbox-guest-utils-hwe",
            "binary_version": "7.2.6-dfsg-4"
        },
        {
            "binary_name": "virtualbox-guest-x11",
            "binary_version": "7.2.6-dfsg-4"
        },
        {
            "binary_name": "virtualbox-guest-x11-hwe",
            "binary_version": "7.2.6-dfsg-4"
        },
        {
            "binary_name": "virtualbox-qt",
            "binary_version": "7.2.6-dfsg-4"
        },
        {
            "binary_name": "virtualbox-source",
            "binary_version": "7.2.6-dfsg-4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21982.json"