CVE-2018-6334

    Dashboard / Vulnerabilities / CVE-2018-6334

    CVE-2018-6334

    Published: 31 Dec 2018Last Modified: 8 Jul 2026

    Summary:

    Details: Multipart-file uploads call variables to be improperly registered in the global scope. In cases where variables are not declared explicitly before being used this can lead to unexpected behavior. This affects all supported versions of HHVM prior to the patch (3.25.1, 3.24.5, and 3.21.9 and below).

    References: https://github.com/facebook/hhvm/commit/6937de5544c3eead3466b75020d8382080ed0cff, https://hhvm.com/blog/2018/03/30/hhvm-3.25.2.html

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    HHVM-3.25.1
    HHVM-3.25.0

    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