Vulnerability record · CVE-2022-21144 · published 1 May 2022

CVE-2022-21144: Libxmljs project libxmljs improper input validation vulnerability

LLibxmljs Project · Libxmljs

This affects all versions of package libxmljs. When invoking the libxmljs.parseXml function with a non-buffer argument the V8 code will attempt invoking the .toString method of the argument. If the argument's toString value is not a Function object V8 will crash.

7.5 CVSS 3.1 High EPSS 1.9% · top 21.0% CWE-20 · Improper input validation

7.5CVSS 3.1 base score, v2 5.0

1.9%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References, 2 tagged exploit

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

LLibxmljs Libxmljs Project

References

Link	Tags
https://github.com/libxmljs/libxmljs/commit/2501807bde9b38cfaed06d1e140487516d91379d	PatchThird Party Advisory
https://github.com/libxmljs/libxmljs/pull/594	PatchThird Party Advisory
https://snyk.io/vuln/SNYK-JS-LIBXMLJS-2348756	ExploitThird Party Advisory
https://github.com/libxmljs/libxmljs/commit/2501807bde9b38cfaed06d1e140487516d91379d	PatchThird Party Advisory
https://github.com/libxmljs/libxmljs/pull/594	PatchThird Party Advisory
https://snyk.io/vuln/SNYK-JS-LIBXMLJS-2348756	ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-21144), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.