What’s Vulnerable › Vulnerabilities

CVE-2022-21144: Denial of Service (DoS)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-05-01 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• libxmljs: before 0.19.8 — fixed in 0.19.8

How to fix

Upgrade to a fixed version: libxmljs 0.19.8. Check the vendor advisory for mitigations.

References

• https://github.com/libxmljs/libxmljs/commit/2501807bde9b38cfaed06d1e140487516d91379d
• https://github.com/libxmljs/libxmljs/pull/594
• https://snyk.io/vuln/SNYK-JS-LIBXMLJS-2348756
• https://github.com/libxmljs/libxmljs/commit/2501807bde9b38cfaed06d1e140487516d91379d
• https://github.com/libxmljs/libxmljs/pull/594
• https://snyk.io/vuln/SNYK-JS-LIBXMLJS-2348756

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