UBUNTU-CVE-2026-25896

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Source

https://ubuntu.com/security/CVE-2026-25896

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-25896.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-25896

Upstream

CVE-2026-25896

Published

2026-02-23T00:00:00Z

Modified

2026-02-23T23:27:07.196442Z

Severity

9.3 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:N CVSS Calculator
Ubuntu - medium

Summary

[none]

Details

fast-xml-parser allows users to validate XML, parse XML to JS object, or build XML from JS object without C/C++ based libraries and no callback. From 4.1.3to before 5.3.5, a dot (.) in a DOCTYPE entity name is treated as a regex wildcard during entity replacement, allowing an attacker to shadow built-in XML entities (<, >, &, ", ') with arbitrary values. This bypasses entity encoding and leads to XSS when parsed output is rendered. This vulnerability is fixed in 5.3.5.

References

Affected packages

Ubuntu:24.04:LTS / node-webfont

Package

Name: node-webfont
Purl: pkg:deb/ubuntu/node-webfont@11.4.0+dfsg2+~cs35.7.26-7ubuntu1?arch=source&distro=noble

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

11.*

11.4.0+dfsg2+~cs35.7.26-7ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "node-webfont",
            "binary_version": "11.4.0+dfsg2+~cs35.7.26-7ubuntu1"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-25896.json"

Ubuntu:25.10 / node-webfont