GHSA-x6fg-f45m-jf5q

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    GHSA-x6fg-f45m-jf5q

    Published: 24 Oct 2017Last Modified: 4 Mar 2026
    Aliases:
    CVE-2015-8855

    Summary: Regular Expression Denial of Service in semver

    Details: Versions 4.3.1 and earlier of `semver` are affected by a regular expression denial of service vulnerability when extremely long version strings are parsed. ## Recommendation Update to version 4.3.2 or later

    References: https://nvd.nist.gov/vuln/detail/CVE-2015-8855, https://github.com/github/advisory-database/pull/7102, https://github.com/npm/node-semver/commit/5c4c9f6e26c7052a42b5ced2a7481c5c9b4363a0, https://github.com/npm/node-semver/commit/c80180d8341a8ada0236815c29a2be59864afd70, https://github.com/advisories/GHSA-x6fg-f45m-jf5q, https://github.com/npm/node-semver, https://www.npmjs.com/advisories/31, https://www.owasp.org/index.php/Regular_expression_Denial_of_Service_-_ReDoS, http://www.openwall.com/lists/oss-security/2016/04/20/11, http://www.securityfocus.com/bid/86957

    Affected packages

    Package

    Name: semver

    Purl: pkg:npm/semver

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 1.0.4
    Fixed -4.3.2

    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