GHSA-rc47-6667-2j5j

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    GHSA-rc47-6667-2j5j

    Published: 31 Jan 2023Last Modified: 10 Sept 2026

    Summary: http-cache-semantics vulnerable to Regular Expression Denial of Service

    Details: http-cache semantics contains an Inefficient Regular Expression Complexity , leading to Denial of Service. This affects versions of the package http-cache-semantics before 4.1.1. The issue can be exploited via malicious request header values sent to a server, when that server reads the cache policy from the request using this library.

    References: https://nvd.nist.gov/vuln/detail/CVE-2022-25881, https://github.com/kornelski/http-cache-semantics/commit/560b2d8ef452bbba20ffed69dc155d63ac757b74, https://github.com/kornelski/http-cache-semantics, https://github.com/kornelski/http-cache-semantics/blob/master/index.js%23L83, https://security.netapp.com/advisory/ntap-20230622-0008, https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-3253332, https://security.snyk.io/vuln/SNYK-JS-HTTPCACHESEMANTICS-3248783

    Affected packages

    Package

    Name: http-cache-semantics

    Purl: pkg:npm/http-cache-semantics

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -4.1.1

    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-rc47-6667-2j5j | CVE-DB