UBUNTU-CVE-2026-83612

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Source
https://ubuntu.com/security/CVE-2026-83612
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83612.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-83612
Upstream
Published
2026-09-01T15:17:00Z
Modified
2026-09-16T14:03:31Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

xmldom is a pure JavaScript W3C standard-based (XML DOM Level 2 Core) DOMParser and XMLSerializer module. From 0.9.0-beta.1 until 0.9.12, HTML-mode parsing through DOMParser.parseFromString() mishandles a mixed-case closing tag for the script, style, textarea, or title raw-text elements. parseHtmlSpecialContent, selected by isHTMLRawTextElement or isHTMLEscapableRawTextElement, uses a case-sensitive indexOf() and then calls substring() with a missing-close result of negative one, causing unstable parser progression and quadratic output amplification. A small untrusted text/html document can consequently consume disproportionate CPU and memory when parsed and serialized. This issue is fixed in @xmldom/xmldom version 0.9.12.

References

Affected packages

Ubuntu:20.04:LTS / node-xmldom

Package

Name
node-xmldom
Purl
pkg:deb/ubuntu/node-xmldom?arch=source&distro=focal

Affected ranges

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

Affected versions

0.*
0.1.27+ds-1
0.1.27+ds-1+deb10u2build0.20.04.1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "node-xmldom",
            "binary_version":  "0.1.27+ds-1+deb10u2build0.20.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83612.json"

Ubuntu:22.04:LTS / node-xmldom

Package

Name
node-xmldom
Purl
pkg:deb/ubuntu/node-xmldom?arch=source&distro=jammy

Affected ranges

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

Affected versions

0.*
0.5.0-1
0.7.3-1
0.7.5-1
0.7.5-1ubuntu0.22.04.1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "node-xmldom",
            "binary_version":  "0.7.5-1ubuntu0.22.04.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83612.json"

Ubuntu:24.04:LTS / node-xmldom

Package

Name
node-xmldom
Purl
pkg:deb/ubuntu/node-xmldom?arch=source&distro=noble

Affected ranges

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

Affected versions

0.*
0.8.6-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "node-xmldom",
            "binary_version":  "0.8.6-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83612.json"

Ubuntu:26.04:LTS / node-xmldom

Package

Name
node-xmldom
Purl
pkg:deb/ubuntu/node-xmldom?arch=source&distro=resolute

Affected ranges

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

Affected versions

0.*
0.9.6-1
0.9.8-1
0.9.8-2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "node-xmldom",
            "binary_version":  "0.9.8-2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-83612.json"