UBUNTU-CVE-2018-12247

    Dashboard / Vulnerabilities / UBUNTU-CVE-2018-12247

    UBUNTU-CVE-2018-12247

    Published: 12 Jun 2018Last Modified: 20 May 2026
    Upstream:

    Summary:

    Details: An issue was discovered in mruby 1.4.1. There is a NULL pointer dereference in mrb_class, related to certain .clone usage, because mrb_obj_clone in kernel.c copies flags other than the MRB_FLAG_IS_FROZEN flag (e.g., the embedded flag).

    Affected packages

    Package

    Name: mruby

    Purl: pkg:deb/ubuntu/mruby?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.1.0+20150817+gita1731254-1
    1.1.0+20150906+git1cbbb7e1-1

    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
    UBUNTU-CVE-2018-12247 | CVE-DB