UBUNTU-CVE-2025-71407

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Source
https://ubuntu.com/security/CVE-2025-71407
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-71407.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2025-71407
Upstream
Published
2026-08-25T16:16:00Z
Modified
2026-09-02T16:11:50Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 9.3 (Critical) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Nokogiri before 1.18.3 contains a stack buffer overflow vulnerability in libxml2 when reporting DTD validation errors with long QName prefixes, and a use-after-free vulnerability during validation against untrusted XML Schemas. Attackers can trigger these vulnerabilities by providing malicious DTD content or untrusted XSD files to cause denial of service or potential code execution.

References

Affected packages

Ubuntu:16.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri?arch=source&distro=xenial

Affected ranges

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

Affected versions

1.*
1.6.6.2+ds-2build2
1.6.6.3-1
1.6.7-1
1.6.7.1-1
1.6.7.2-3
1.6.7.2-3build1
1.6.7.2-3ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.6.7.2-3ubuntu0.1",
            "binary_name": "ruby-nokogiri"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-71407.json"
Ubuntu:18.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri?arch=source&distro=bionic

Affected ranges

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

Affected versions

1.*
1.8.0-1
1.8.1-1
1.8.1-1build1
1.8.2-1build1
1.8.2-1ubuntu0.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.8.2-1ubuntu0.1",
            "binary_name": "ruby-nokogiri"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-71407.json"
Ubuntu:24.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri?arch=source&distro=noble

Affected ranges

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

Affected versions

1.*
1.14.3+dfsg-2
1.16.2+dfsg-1
1.16.2+dfsg-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.16.2+dfsg-1build1",
            "binary_name": "ruby-nokogiri"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-71407.json"
Ubuntu:26.04:LTS
ruby-nokogiri

Package

Name
ruby-nokogiri
Purl
pkg:deb/ubuntu/ruby-nokogiri?arch=source&distro=resolute

Affected ranges

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

Affected versions

1.*
1.18.2+dfsg-1build1
1.18.10+dfsg-2
1.18.10+dfsg-3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.18.10+dfsg-3",
            "binary_name": "ruby-nokogiri"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-71407.json"
Ubuntu:Pro:14.04:LTS
ruby-nokogiri

Package

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

Affected ranges

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

Affected versions

1.*
1.5.9-2
1.5.9-3
1.6.0-1
1.6.1+ds-1
1.6.1+ds-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.6.1+ds-1ubuntu0.1~esm1",
            "binary_name": "ruby-nokogiri"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-71407.json"
Ubuntu:Pro:20.04:LTS
ruby-nokogiri

Package

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

Affected ranges

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

Affected versions

1.*
1.10.3+dfsg1-2
1.10.4+dfsg1-1
1.10.7+dfsg1-1
1.10.7+dfsg1-2
1.10.7+dfsg1-2build1
1.10.7+dfsg1-2ubuntu0.1~esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.10.7+dfsg1-2ubuntu0.1~esm2",
            "binary_name": "ruby-nokogiri"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-71407.json"
Ubuntu:Pro:22.04:LTS
ruby-nokogiri

Package

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

Affected ranges

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

Affected versions

1.*
1.11.1+dfsg-2ubuntu1
1.11.7+dfsg-3
1.11.7+dfsg-3build1
1.13.1+dfsg-2
1.13.1+dfsg-2ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "1.13.1+dfsg-2ubuntu0.1~esm1",
            "binary_name": "ruby-nokogiri"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-71407.json"