UBUNTU-CVE-2026-8484

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Source
https://ubuntu.com/security/CVE-2026-8484
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8484.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-8484
Upstream
  • CVE-2026-8484
Published
2026-06-16T12:16:00Z
Modified
2026-06-24T11:00:48.682978068Z
Severity
  • 4.8 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A heap buffer overflow vulnerability exists in the Jansi JNI "ioctl()" wrapper due to a lack of size verification for the argument array before the system call. This can lead to heap corruption and application crashes (DoS). All versions are believed to be vulnerable. This project is unmaintained at the time of CVE assignment.

References

Affected packages

Ubuntu:14.04:LTS
jansi

Package

Name
jansi
Purl
pkg:deb/ubuntu/jansi?arch=source&distro=trusty

Affected ranges

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

Affected versions

1.*
1.4-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjansi-java",
            "binary_version": "1.4-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8484.json"
Ubuntu:16.04:LTS
jansi

Package

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

Affected ranges

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

Affected versions

1.*
1.4-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjansi-java",
            "binary_version": "1.4-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8484.json"
Ubuntu:18.04:LTS
jansi

Package

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

Affected ranges

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

Affected versions

1.*
1.16-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjansi-java",
            "binary_version": "1.16-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8484.json"
Ubuntu:20.04:LTS
jansi

Package

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

Affected ranges

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

Affected versions

1.*
1.18-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjansi-java",
            "binary_version": "1.18-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8484.json"
Ubuntu:22.04:LTS
jansi

Package

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

Affected ranges

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

Affected versions

1.*
1.18-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjansi-java",
            "binary_version": "1.18-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8484.json"
Ubuntu:24.04:LTS
jansi

Package

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

Affected ranges

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

Affected versions

2.*
2.4.0-2
2.4.1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjansi-java",
            "binary_version": "2.4.1-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8484.json"
Ubuntu:25.10
jansi

Package

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

Affected ranges

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

Affected versions

2.*
2.4.1-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjansi-java",
            "binary_version": "2.4.1-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8484.json"
Ubuntu:26.04:LTS
jansi

Package

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

Affected ranges

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

Affected versions

2.*
2.4.1-2
2.4.1-2build1
2.4.2-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libjansi-java",
            "binary_version": "2.4.2-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-8484.json"