UBUNTU-CVE-2026-33210

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Source
https://ubuntu.com/security/CVE-2026-33210
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33210.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-33210
Upstream
Published
2026-03-20T23:16:00Z
Modified
2026-03-25T17:36:54Z
Severity
  • 8.3 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Ruby JSON is a JSON implementation for Ruby. From version 2.14.0 to before versions 2.15.2.1, 2.17.1.2, and 2.19.2, a format string injection vulnerability can lead to denial of service attacks or information disclosure, when the allowduplicatekey: false parsing option is used to parse user supplied documents. This issue has been patched in versions 2.15.2.1, 2.17.1.2, and 2.19.2.

References

Affected packages

Ubuntu:14.04:LTS
ruby-json

Package

Name
ruby-json
Purl
pkg:deb/ubuntu/ruby-json@1.8.0-1build1?arch=source&distro=trusty

Affected ranges

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

Affected versions

1.*
1.8.0-1
1.8.0-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-json",
            "binary_version": "1.8.0-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33210.json"
Ubuntu:16.04:LTS
ruby-json

Package

Name
ruby-json
Purl
pkg:deb/ubuntu/ruby-json@1.8.3-1build4?arch=source&distro=xenial

Affected ranges

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

Affected versions

1.*
1.8.3-1build1
1.8.3-1build2
1.8.3-1build4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-json",
            "binary_version": "1.8.3-1build4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33210.json"
Ubuntu:18.04:LTS
ruby-json

Package

Name
ruby-json
Purl
pkg:deb/ubuntu/ruby-json@2.1.0+dfsg-2?arch=source&distro=bionic

Affected ranges

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

Affected versions

2.*
2.1.0+dfsg-1
2.1.0+dfsg-1ubuntu2
2.1.0+dfsg-1ubuntu3
2.1.0+dfsg-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-json",
            "binary_version": "2.1.0+dfsg-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33210.json"
Ubuntu:20.04:LTS
ruby-json

Package

Name
ruby-json
Purl
pkg:deb/ubuntu/ruby-json@2.3.0+dfsg-1build1?arch=source&distro=focal

Affected ranges

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

Affected versions

2.*
2.1.0+dfsg-2
2.3.0+dfsg-1
2.3.0+dfsg-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-json",
            "binary_version": "2.3.0+dfsg-1build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33210.json"
Ubuntu:22.04:LTS
ruby-json

Package

Name
ruby-json
Purl
pkg:deb/ubuntu/ruby-json@2.5.1+dfsg-2build1?arch=source&distro=jammy

Affected ranges

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

Affected versions

2.*
2.3.0+dfsg-1build1
2.5.1+dfsg-2
2.5.1+dfsg-2build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-json",
            "binary_version": "2.5.1+dfsg-2build1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33210.json"
Ubuntu:24.04:LTS
ruby-json

Package

Name
ruby-json
Purl
pkg:deb/ubuntu/ruby-json@2.6.3+dfsg-1build4?arch=source&distro=noble

Affected ranges

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

Affected versions

2.*
2.6.3+dfsg-1build2
2.6.3+dfsg-1build3
2.6.3+dfsg-1build4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-json",
            "binary_version": "2.6.3+dfsg-1build4"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33210.json"
Ubuntu:25.10
ruby-json

Package

Name
ruby-json
Purl
pkg:deb/ubuntu/ruby-json@2.9.1+dfsg-1?arch=source&distro=questing

Affected ranges

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

Affected versions

2.*
2.9.1+dfsg-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-json",
            "binary_version": "2.9.1+dfsg-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-33210.json"