UBUNTU-CVE-2026-29063

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Source
https://ubuntu.com/security/CVE-2026-29063
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29063.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-29063
Upstream
Published
2026-03-06T19:16:00Z
Modified
2026-03-14T09:16:44.794089Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Immutable.js provides many Persistent Immutable data structures. Prior to versions 3.8.3, 4.3.7, and 5.1.5, Prototype Pollution is possible in immutable via the mergeDeep(), mergeDeepWith(), merge(), Map.toJS(), and Map.toObject() APIs. This issue has been patched in versions 3.8.3, 4.3.7, and 5.1.5.

References

Affected packages

Ubuntu:20.04:LTS / node-immutable

Package

Name
node-immutable
Purl
pkg:deb/ubuntu/node-immutable@3.8.2+dfsg-3?arch=source&distro=focal

Affected ranges

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

Affected versions

3.*
3.8.2+dfsg-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "node-immutable",
            "binary_version": "3.8.2+dfsg-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29063.json"

Ubuntu:22.04:LTS / node-immutable

Package

Name
node-immutable
Purl
pkg:deb/ubuntu/node-immutable@4.0.0-2?arch=source&distro=jammy

Affected ranges

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

Affected versions

3.*
3.8.2+dfsg-3
4.*
4.0.0-1
4.0.0-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "node-immutable",
            "binary_version": "4.0.0-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29063.json"

Ubuntu:24.04:LTS / node-immutable

Package

Name
node-immutable
Purl
pkg:deb/ubuntu/node-immutable@4.3.4-1?arch=source&distro=noble

Affected ranges

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

Affected versions

4.*
4.1.0-3
4.3.4-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "node-immutable",
            "binary_version": "4.3.4-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29063.json"

Ubuntu:25.10 / node-immutable

Package

Name
node-immutable
Purl
pkg:deb/ubuntu/node-immutable@4.3.4-1?arch=source&distro=questing

Affected ranges

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

Affected versions

4.*
4.3.4-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "node-immutable",
            "binary_version": "4.3.4-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-29063.json"