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    CVE-2025-7207

    A vulnerability, which was classified as problematic, was found in mruby up to 3.4.0-rc2. Affected is the function scope_new of the file mrbgems/mruby-compiler/core/codegen.c of the component nregs Handler. The manipulation leads to heap-based buffer overflow. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The name of the patch is 1fdd96104180cc0fb5d3cb086b05ab6458911bb9. It is recommended to apply a patch to fix this issue.

    Published:Jul 9, 2025
    Last Modified:Oct 1, 2025
    EPS:Jul 9, 2025
    EPSS Score:0.00019
    CVSS Score:3.3

    Affected Products

    Vendor
    Mruby
    Product
    Mruby

    Exploits

    https://github.com/mruby/mruby/issues/6509https://github.com/mruby/mruby/issues/6509#event-17145516649https://github.com/user-attachments/files/19619499/mruby_crash.txthttps://github.com/mruby/mruby/issues/6509

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    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