CVE-2022-1212

    Dashboard / Vulnerabilities / CVE-2022-1212

    CVE-2022-1212

    Published: 5 Apr 2022Last Modified: 12 Aug 2026

    Summary: Use-After-Free in str_escape in mruby/mruby in mruby/mruby

    Details: Use-After-Free in str_escape in mruby/mruby in GitHub repository mruby/mruby prior to 3.2. Possible arbitrary code execution if being exploited.

    References: https://huntr.dev/bounties/9fcc06d0-08e4-49c8-afda-2cae40946abe, https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/1xxx/CVE-2022-1212.json, https://nvd.nist.gov/vuln/detail/CVE-2022-1212, https://github.com/mruby/mruby/commit/3cf291f72224715942beaf8553e42ba8891ab3c6

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.1.0-rc
    3.1.0-rc2

    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-2022-1212 | CVE-DB