CVE-2018-7158

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Summary

CVECVE-2018-7158
StatePUBLISHED
Assignernodejs
Source PriorityCVE Program / NVD first with legacy fallback
Published2018-05-17 14:29:00 UTC
Updated2026-10-08 22:16:47 UTC
DescriptionThe `'path'` module in the Node.js 4.x release line contains a potential regular expression denial of service (ReDoS) vector. The code in question was replaced in Node.js 6.x and later so this vulnerability only impacts all versions of Node.js 4.x. The regular expression, `splitPathRe`, used within the `'path'` module for the various path parsing functions, including `path.dirname()`, `path.extname()` and `path.parse()` was structured in such a way as to allow an attacker to craft a string, that when passed through one of these functions, could take a significant amount of time to evaluate, potentially leading to a full denial of service.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

EPSS: 0.034090000 probability, percentile 0.885660000 (date 2026-10-10)

Problem Types: CWE-185 | NVD-CWE-Other | CWE-185 CWE-185: Incorrect Regular Expression

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Nodejs Node.js All All All All
Application Nodejs Node.js All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA The Node.js Project Node.js affected 4.x Not specified

References

ReferenceSourceLinkTags
March 2018 Security Releases | Node.js af854a3a-2127-422b-91ae-364da2661108 nodejs.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500448 Alpine Linux Security Update for nodejs
  • 501098 Alpine Linux Security Update for nodejs-current
  • 504214 Alpine Linux Security Update for nodejs

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