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    CVE-2025-13397

    A security vulnerability has been detected in mrubyc up to 3.4. This impacts the function mrbc_raw_realloc of the file src/alloc.c. Such manipulation of the argument ptr leads to null pointer dereference. An attack has to be approached locally. The name of the patch is 009111904807b8567262036bf45297c3da8f1c87. It is advisable to implement a patch to correct this issue.

    Published:Nov 19, 2025
    Last Modified:Dec 1, 2025
    EPS:Nov 19, 2025
    EPSS Score:0.00014
    CVSS Score:3.3

    Affected Products

    Vendor
    Mruby
    Product
    Mruby
    Vendor
    S-itoc
    Product
    Mruby\/c

    Exploits

    No exploit reference

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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