UBUNTU-CVE-2026-126064

Source
https://ubuntu.com/security/CVE-2026-126064
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-126064.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-126064
Upstream
Published
2026-11-12T00:00:00Z
Modified
2026-11-12T23:46:37Z
Severity
  • Ubuntu - medium
Summary
[none]
Details

Nokogiri is an open source XML and HTML library for the Ruby programming language. Prior to 1.19.5, the CRuby native extension can leave Ruby wrappers pointing to freed memory when Nokogiri::XML::Node#[]= or Nokogiri::XML::Node#lang= replaces an existing attribute value after code has accessed the attribute's child nodes. Replacing the value frees native child nodes while their wrappers remain reachable, and later use of those wrappers can cause an invalid read or process segfault. JRuby is not affected. This issue is fixed in version 1.19.5.

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
0 Unknown 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_name": "ruby-nokogiri",
            "binary_version": "1.6.7.2-3ubuntu0.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-126064.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
0 Unknown 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_name": "ruby-nokogiri",
            "binary_version": "1.8.2-1ubuntu0.1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-126064.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
0 Unknown 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_name": "ruby-nokogiri",
            "binary_version": "1.16.2+dfsg-1build1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-126064.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
0 Unknown 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_name": "ruby-nokogiri",
            "binary_version": "1.18.10+dfsg-3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-126064.json"
Ubuntu:26.10
ruby-nokogiri

Package

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

Affected ranges

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

Affected versions

1.*
1.18.10+dfsg-3
1.19.1+dfsg-1
1.19.3+dfsg-1
1.19.4+dfsg-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "ruby-nokogiri",
            "binary_version": "1.19.4+dfsg-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-126064.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
0 Unknown 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_name": "ruby-nokogiri",
            "binary_version": "1.6.1+ds-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-126064.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
0 Unknown 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_name": "ruby-nokogiri",
            "binary_version": "1.10.7+dfsg1-2ubuntu0.1~esm2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-126064.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
0 Unknown 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_name": "ruby-nokogiri",
            "binary_version": "1.13.1+dfsg-2ubuntu0.1~esm1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-126064.json"