CVE-2022-21144

Name: CVE-2022-21144
Creator: NVD / NIST
Published: 2022-05-01T16:15:07.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.78%

Last modified Jun 17, 2026

CVE-2022-21144 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 1.78% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.78%

75.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Libxmljs Project	Libxmljs	< 0.19.8

References

https://github.com/libxmljs/libxmljs/commit/2501807bde9b38cfaed06d1e140487516d91379dPatch, Third Party Advisory
https://github.com/libxmljs/libxmljs/pull/594Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-LIBXMLJS-2348756Exploit, Third Party Advisory
https://github.com/libxmljs/libxmljs/commit/2501807bde9b38cfaed06d1e140487516d91379dPatch, Third Party Advisory
https://github.com/libxmljs/libxmljs/pull/594Patch, Third Party Advisory
https://snyk.io/vuln/SNYK-JS-LIBXMLJS-2348756Exploit, Third Party Advisory

Timeline

Published: May 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-21144?

How severe is CVE-2022-21144?

CVE-2022-21144 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.78% probability of exploitation in the next 30 days.

How do I fix CVE-2022-21144?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-21144?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST