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    CVE-2021-47877

    GeoGebra Graphing Calculator 6.0.631.0 contains a denial of service vulnerability that allows attackers to crash the application by inputting an oversized buffer. Attackers can generate a payload of 8000 repeated characters to overwhelm the input field and cause the application to become unresponsive.

    Published:Jan 21, 2026
    Last Modified:Apr 15, 2026
    EPS:Jan 21, 2026
    EPSS Score:0.00042
    CVSS Score:7.5

    Affected Products

    Vendor
    Geogebra
    Product
    Graphing Calculator

    Exploits

    No exploit reference

    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