UBUNTU-CVE-2026-21712

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Source
https://ubuntu.com/security/CVE-2026-21712
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21712.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-21712
Upstream
  • CVE-2026-21712
Published
2026-03-30T16:16:00Z
Modified
2026-05-20T16:24:10.050089165Z
Severity
  • 5.7 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

A flaw in Node.js URL processing causes an assertion failure in native code when url.format() is called with a malformed internationalized domain name (IDN) containing invalid characters, crashing the Node.js process.

References

Affected packages

Ubuntu:24.04:LTS
nodejs

Package

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

Affected ranges

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

Affected versions

18.*
18.13.0+dfsg1-1ubuntu2
18.19.1+dfsg-2ubuntu4
18.19.1+dfsg-6ubuntu1
18.19.1+dfsg-6ubuntu2
18.19.1+dfsg-6ubuntu5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnode109",
            "binary_version": "18.19.1+dfsg-6ubuntu5"
        },
        {
            "binary_name": "nodejs",
            "binary_version": "18.19.1+dfsg-6ubuntu5"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21712.json"
Ubuntu:25.10
nodejs

Package

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

Affected ranges

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

Affected versions

20.*
20.18.1+dfsg-1ubuntu2
20.19.2+dfsg-1
20.19.4+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnode115",
            "binary_version": "20.19.4+dfsg-1"
        },
        {
            "binary_name": "nodejs",
            "binary_version": "20.19.4+dfsg-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21712.json"
Ubuntu:26.04:LTS
nodejs

Package

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

Affected ranges

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

Affected versions

20.*
20.19.4+dfsg-1
20.19.5+dfsg+~cs20.19.12-4
22.*
22.21.1+dfsg+~cs22.19.0-6ubuntu4
22.22.0+dfsg+~cs22.19.6-1ubuntu2
22.22.0+dfsg+~cs22.19.13-2ubuntu1
22.22.1+dfsg+~cs22.19.15-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnode127",
            "binary_version": "22.22.1+dfsg+~cs22.19.15-1ubuntu1"
        },
        {
            "binary_name": "nodejs",
            "binary_version": "22.22.1+dfsg+~cs22.19.15-1ubuntu1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21712.json"
Ubuntu:Pro:14.04:LTS
nodejs

Package

Name
nodejs
Purl
pkg:deb/ubuntu/nodejs?arch=source&distro=esm-infra-legacy%2Ftrusty

Affected ranges

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

Affected versions

0.*
0.10.15~dfsg1-4
0.10.21~dfsg1-1
0.10.22~dfsg1-2
0.10.23~dfsg1-1
0.10.23~dfsg1-2
0.10.23~dfsg1-3
0.10.24~dfsg1-1
0.10.25~dfsg2-2
0.10.25~dfsg2-2ubuntu1
0.10.25~dfsg2-2ubuntu1.2
0.10.25~dfsg2-2ubuntu1.2+esm1
0.10.25~dfsg2-2ubuntu1.2+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "nodejs",
            "binary_version": "0.10.25~dfsg2-2ubuntu1.2+esm2"
        },
        {
            "binary_name": "nodejs-legacy",
            "binary_version": "0.10.25~dfsg2-2ubuntu1.2+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21712.json"
Ubuntu:Pro:16.04:LTS
nodejs

Package

Name
nodejs
Purl
pkg:deb/ubuntu/nodejs?arch=source&distro=esm-apps%2Fxenial

Affected ranges

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

Affected versions

0.*
0.10.25~dfsg2-2ubuntu1
4.*
4.2.2~dfsg-1
4.2.3~dfsg-1
4.2.4~dfsg-1ubuntu1
4.2.4~dfsg-2
4.2.6~dfsg-1ubuntu1
4.2.6~dfsg-1ubuntu4
4.2.6~dfsg-1ubuntu4.1
4.2.6~dfsg-1ubuntu4.2
4.2.6~dfsg-1ubuntu4.2+esm1
4.2.6~dfsg-1ubuntu4.2+esm2
4.2.6~dfsg-1ubuntu4.2+esm3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "nodejs",
            "binary_version": "4.2.6~dfsg-1ubuntu4.2+esm3"
        },
        {
            "binary_name": "nodejs-legacy",
            "binary_version": "4.2.6~dfsg-1ubuntu4.2+esm3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21712.json"
Ubuntu:Pro:18.04:LTS
nodejs

Package

Name
nodejs
Purl
pkg:deb/ubuntu/nodejs?arch=source&distro=esm-apps%2Fbionic

Affected ranges

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

Affected versions

6.*
6.11.4~dfsg-1ubuntu1
6.11.4~dfsg-1ubuntu2
6.12.0~dfsg-1ubuntu1
6.12.0~dfsg-2ubuntu1
6.12.0~dfsg-2ubuntu2
8.*
8.10.0~dfsg-2
8.10.0~dfsg-2ubuntu0.2
8.10.0~dfsg-2ubuntu0.3
8.10.0~dfsg-2ubuntu0.4
8.10.0~dfsg-2ubuntu0.4+esm1
8.10.0~dfsg-2ubuntu0.4+esm2
8.10.0~dfsg-2ubuntu0.4+esm3
8.10.0~dfsg-2ubuntu0.4+esm4
8.10.0~dfsg-2ubuntu0.4+esm5
8.10.0~dfsg-2ubuntu0.4+esm6

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "nodejs",
            "binary_version": "8.10.0~dfsg-2ubuntu0.4+esm6"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21712.json"
Ubuntu:Pro:20.04:LTS
nodejs

Package

Name
nodejs
Purl
pkg:deb/ubuntu/nodejs?arch=source&distro=esm-apps%2Ffocal

Affected ranges

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

Affected versions

10.*
10.15.2~dfsg-2ubuntu1
10.17.0~dfsg-2ubuntu4
10.17.0~dfsg-2ubuntu6
10.19.0~dfsg-3ubuntu1
10.19.0~dfsg-3ubuntu1.1
10.19.0~dfsg-3ubuntu1.2
10.19.0~dfsg-3ubuntu1.3
10.19.0~dfsg-3ubuntu1.5
10.19.0~dfsg-3ubuntu1.6
10.19.0~dfsg-3ubuntu1.6+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnode64",
            "binary_version": "10.19.0~dfsg-3ubuntu1.6+esm2"
        },
        {
            "binary_name": "nodejs",
            "binary_version": "10.19.0~dfsg-3ubuntu1.6+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21712.json"
Ubuntu:Pro:22.04:LTS
nodejs

Package

Name
nodejs
Purl
pkg:deb/ubuntu/nodejs?arch=source&distro=esm-apps%2Fjammy

Affected ranges

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

Affected versions

12.*
12.22.5~dfsg-5ubuntu1
12.22.7~dfsg-2ubuntu1
12.22.7~dfsg-2ubuntu3
12.22.9~dfsg-1ubuntu2
12.22.9~dfsg-1ubuntu3
12.22.9~dfsg-1ubuntu3.1
12.22.9~dfsg-1ubuntu3.2
12.22.9~dfsg-1ubuntu3.3
12.22.9~dfsg-1ubuntu3.4
12.22.9~dfsg-1ubuntu3.5
12.22.9~dfsg-1ubuntu3.6
12.22.9~dfsg-1ubuntu3.6+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libnode72",
            "binary_version": "12.22.9~dfsg-1ubuntu3.6+esm2"
        },
        {
            "binary_name": "nodejs",
            "binary_version": "12.22.9~dfsg-1ubuntu3.6+esm2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-21712.json"