CVE-2021-33439

    Dashboard / Vulnerabilities / CVE-2021-33439

    CVE-2021-33439

    Published: 26 Jul 2022Last Modified: 9 Jul 2026

    Summary:

    Details: An issue was discovered in mjs (mJS: Restricted JavaScript engine), ES6 (JavaScript version 6). There is Integer overflow in gc_compact_strings() in mjs.c.

    References: https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d, https://github.com/cesanta/mjs/issues/159

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -b1b6eac6b1e5b830a5cb14f8f4dc690ef3162551

    Affected versions

    2.19.1
    2.19.0

    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
    CVE-2021-33439 | CVE-DB