GHSA-pw54-mh39-w3hc

    Dashboard / Vulnerabilities / GHSA-pw54-mh39-w3hc

    GHSA-pw54-mh39-w3hc

    Published: 10 May 2021Last Modified: 8 Jul 2026

    Summary: Regular expression denial of service in npm-user-validate

    Details: This affects the package npm-user-validate before 1.0.1. The regex that validates user emails took exponentially longer to process long input strings beginning with @ characters.

    References: https://github.com/npm/npm-user-validate/security/advisories/GHSA-xgh6-85xh-479p, https://nvd.nist.gov/vuln/detail/CVE-2020-7754, https://github.com/npm/npm-user-validate/commit/c8a87dac1a4cc6988b5418f30411a8669bef204e, https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1019353, https://snyk.io/vuln/SNYK-JS-NPMUSERVALIDATE-1019352

    Affected packages

    Package

    Name: npm-user-validate

    Purl: pkg:npm/npm-user-validate

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -1.0.1

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-pw54-mh39-w3hc | CVE-DB