CVE-2022-37599: Loader utils Denial of Service Vulnerability
HIGHCVE-2022-37599 is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Loader utils libraries in the npm ecosystem. The issue involves loader-utils is vulnerable to regular expression denial of service (redos). Remediation is available by upgrading affected packages to version 1.4.2, 2.0.4, 3.2.1.
CVE-2022-37599 at a Glance
Security Impact
CVSS: 7.5
The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).
How to Fix CVE-2022-37599
To remediate this vulnerability, upgrade all affected Loader utils dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
npm install loader-utils@1.4.2npm install loader-utils@2.0.4npm install loader-utils@3.2.1Run the following command in your project directory to verify that all resolved dependencies use the patched release:
npm ls loader-utilsHow to Check if You Are Affected
To determine whether your Node.js application is affected by CVE-2022-37599, inspect your project dependencies using npm:
npm ls loader-utilsAnalyze the terminal output to locate any version of Loader utils in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.4.2), your application is affected.
Note: The npm ls loader-utils command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Loader utils, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2022-37599 Affected Loader utils Versions
3 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
loader-utils
|
npm |
≥ 1.0.0
< 1.4.2
|
1.4.2
|
|
loader-utils
|
npm |
≥ 2.0.0
< 2.0.4
|
2.0.4
|
|
loader-utils
|
npm |
≥ 3.0.0
< 3.2.1
|
3.2.1
|
References
Frequently Asked Questions
What is CVE-2022-37599?
Which Loader utils versions are affected?
What version fixes CVE-2022-37599?
Is loader-utils affected?
What is the CVSS score of CVE-2022-37599?
What CWE is associated with CVE-2022-37599?
How can I check npm dependencies for CVE-2022-37599?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-hhq3-ff78-jv3g",
"modified" : "2025-11-04T22:07:19Z",
"published" : "2022-10-12T12:00:27Z",
"aliases" : [ "CVE-2022-37599" ],
"summary" : "loader-utils is vulnerable to Regular Expression Denial of Service (ReDoS)",
"details" : "A regular expression denial of service (ReDoS) flaw was found in Function interpolateName in interpolateName.js in webpack loader-utils via the resourcePath variable in interpolateName.js. A badly or maliciously formed string could be used to send crafted requests that cause a system to crash or take a disproportional amount of time to process. This issue has been patched in versions 1.4.2, 2.0.4 and 3.2.1.",
"severity" : [ {
"type" : "CVSS_V3",
"score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "npm",
"name" : "loader-utils"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "1.0.0"
}, {
"fixed" : "1.4.2"
} ]
} ]
}, {
"package" : {
"ecosystem" : "npm",
"name" : "loader-utils"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "2.0.0"
}, {
"fixed" : "2.0.4"
} ]
} ]
}, {
"package" : {
"ecosystem" : "npm",
"name" : "loader-utils"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "3.0.0"
}, {
"fixed" : "3.2.1"
} ]
} ]
} ],
"references" : [ {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-37599"
}, {
"type" : "WEB",
"url" : "https://github.com/webpack/loader-utils/issues/211"
}, {
"type" : "WEB",
"url" : "https://github.com/webpack/loader-utils/issues/216"
}, {
"type" : "WEB",
"url" : "https://github.com/webpack/loader-utils/commit/17cbf8fa8989c1cb45bdd2997aa524729475f1fa"
}, {
"type" : "WEB",
"url" : "https://github.com/webpack/loader-utils/commit/ac09944dfacd7c4497ef692894b09e63e09a5eeb"
}, {
"type" : "WEB",
"url" : "https://github.com/webpack/loader-utils/commit/d2d752d59629daee38f34b24307221349c490eb1"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/webpack/loader-utils"
}, {
"type" : "WEB",
"url" : "https://github.com/webpack/loader-utils/blob/d9f4e23cf411d8556f8bac2d3bf05a6e0103b568/lib/interpolateName.js#L38"
}, {
"type" : "WEB",
"url" : "https://github.com/webpack/loader-utils/blob/d9f4e23cf411d8556f8bac2d3bf05a6e0103b568/lib/interpolateName.js#L83"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HUE6ZR5SL73KHL7XUPAOEL6SB7HUDT2"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PVVPNSAGSDS63HQ74PJ7MZ3MU5IYNVZ"
}, {
"type" : "WEB",
"url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6PVVPNSAGSDS63HQ74PJ7MZ3MU5IYNVZ"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-1333", "CWE-400" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2022-11-15T21:03:46Z",
"nvd_published_at" : "2022-10-11T19:15:00Z"
}
}