CVE-2018-12248

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    CVE-2018-12248

    Published: 12 Jun 2018Last Modified: 8 Jul 2026

    Summary:

    Details: An issue was discovered in mruby 1.4.1. There is a heap-based buffer over-read associated with OP_ENTER because mrbgems/mruby-fiber/src/fiber.c does not extend the stack in cases of many arguments to fiber.

    References: https://github.com/mruby/mruby/issues/4038, https://github.com/mruby/mruby/commit/778500563a9f7ceba996937dc886bd8cde29b42b

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 023070a6396233974785a8fd5735b9380a884f27
    Fixed -None

    Affected versions

    1.4.1

    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-2018-12248 | CVE-DB