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    CVE-2021-47970

    Macaron Notes 5.5 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can generate a payload containing 350000 repeated characters and paste it into a note field to trigger application crash and stop functionality.

    Published:May 16, 2026
    Last Modified:Jul 28, 2026
    EPS:May 16, 2026
    EPSS Score:0.00284
    CVSS Score:7.5

    Affected Products

    Vendor
    Go-macaron
    Product
    Macaron
    Vendor
    Macaron-notes-great-notebook
    Product
    Macaron Notes Gear Notebook

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    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