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    CVE-2026-81575

    If configured as a server, CodeMeter Runtime before versions 8.41a and 9.10 accepts requests with opcode 0x5e, which contain the data length and the data itself. Missing bounds checking on the data length value can lead to out of bounds reads, causing a segmentation fault that ultimately crashes the CodeMeter Runtime.

    Published:Aug 27, 2026
    Last Modified:Sep 4, 2026
    EPS:Aug 27, 2026
    EPSS Score:0.00441
    CVSS Score:7.5

    Affected Products

    Vendor
    Wibu-systems-ag
    Product
    Codemeter-runtime
    Vendor
    Wibusys
    Product
    Codemeter Runtime Kit

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-47 Buffer Overflow via Parameter Expansion

    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