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CVE-2022-21144

20
FAUCET Score

CVE-2022-21144 is a high-severity vulnerability affecting all versions of the libxmljs package. It allows for a denial-of-service (DoS) attack when the libxmljs.parseXml function is called with a non-buffer argument, causing the V8 engine to crash. The vulnerability has a CVSS score of 7.5, indicating a network-based attack with low complexity and high impact on availability, but no impact on confidentiality or integrity. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.19.8CPE matchmatch criteria
cpe:2.3:a:libxmljs_project:libxmljs:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.89%
Probability of exploitation in next 30 days
EPSS Percentile
77.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0189 is in the 61st percentile among its peer group of 51,551 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: libxmljsFixed in: 0.19.8

Vendor Advisories (1)

npmGHSA-773h-w45w-f2f9high

Denial of service vulnerability exists in libxmljs

May 3, 2022

References

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