UBUNTU-CVE-2026-4751

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Source
https://ubuntu.com/security/CVE-2026-4751
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4751.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-4751
Upstream
  • CVE-2026-4751
Published
2026-03-24T06:16:00Z
Modified
2026-05-20T16:26:59.496636431Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0.

References

Affected packages

Ubuntu:16.04:LTS
tmate

Package

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

Affected ranges

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

Affected versions

1.*
1.8.10-2
1.8.10-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tmate",
            "binary_version": "1.8.10-2build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4751.json"
Ubuntu:18.04:LTS
tmate

Package

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

Affected ranges

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

Affected versions

2.*
2.2.1-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tmate",
            "binary_version": "2.2.1-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4751.json"
Ubuntu:20.04:LTS
tmate

Package

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

Affected ranges

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

Affected versions

2.*
2.2.1-1build3
2.2.1-1build4
2.3.0-1
2.4.0-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tmate",
            "binary_version": "2.4.0-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4751.json"
Ubuntu:22.04:LTS
tmate

Package

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

Affected ranges

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

Affected versions

2.*
2.4.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tmate",
            "binary_version": "2.4.0-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4751.json"
Ubuntu:24.04:LTS
tmate

Package

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

Affected ranges

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

Affected versions

2.*
2.4.0-2build2
2.4.0-2build3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tmate",
            "binary_version": "2.4.0-2build3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4751.json"
Ubuntu:25.10
tmate

Package

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

Affected ranges

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

Affected versions

2.*
2.4.0-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tmate",
            "binary_version": "2.4.0-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4751.json"
Ubuntu:26.04:LTS
tmate

Package

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

Affected ranges

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

Affected versions

2.*
2.4.0-3
2.4.0-3build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "tmate",
            "binary_version": "2.4.0-3build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-4751.json"