Denial of service (DoS) in libxmljs
Priority LOW 37CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
EPSS 0.01918 80th percentileScored 2026-11-07
Fix Fixed libxmljs (npm): 0.19.8
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | libxmljs | all versions | — | No fix listed | CNA |
| — | libxmljs (npm) | before 0.19.8 | 0.19.8 | Patch available | GHSA-773h-w45w-f2f9 |
- libxmljs Vendor— Affected all versions Fixed in — No fix listed CNA
- libxmljs (npm) Vendor— Affected before 0.19.8 Fixed in 0.19.8 Patch available GHSA-773h-w45w-f2f9
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:libxmljs_project:libxmljs:*:*:*:*:*:node.js:*:* | before 0.19.8 | Vulnerable | Libxmljs Project |
- cpe:2.3:a:libxmljs_project:libxmljs:*:*:*:*:*:node.js:*:* Versions before 0.19.8 Vulnerable ·Libxmljs Project
Remediation
- Fix · GHSA-773h-w45w-f2f9 libxmljs (npm) Fixed in 0.19.8 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-21144
- 2026-10-03 Alias added: GHSA-773h-w45w-f2f9
References
More Libxmljs Project Libxmljs vulnerabilities
- TI-2024-22732 libxmljs namespaces type confusion RCE CVSS 3.1CRITICAL 9.8
- TI-2024-22731 libxmljs attrs type confusion RCE CVSS 3.1CRITICAL 9.8
- TI-2025-18970 A vulnerability exists in the libxmljs 1.0.11 when parsing a specially crafted XML… CVSS 3.1HIGH 7.5
Sources
- CVE-2022-21144 · CVE Program
- CVE-2022-21144 · NVD
- FIRST EPSS
- GHSA-773h-w45w-f2f9 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-21144 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences