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    1 vulnerability by JS8Call

    CVE-2026-42996 (GCVE-0-2026-42996)

    Vulnerability from cvelistv5 – Published: 2026-05-01 06:42 – Updated: 2026-05-01 22:10
    VLAI
    Summary
    JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of @APRSIS GRID followed by a long Maidenhead locator. This occurs in grid2deg in APRSISClient.cpp.
    Severity
    10 (Critical)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:P/AU:Y/R:U/V:D/RE:M/U:Green
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-121 - Stack-based Buffer Overflow
    Assigner
    References
    Impacted products
    Vendor Product Version
    JS8Call JS8Call Affected: 0 , ≤ 2.3.1 (semver)
    		Create a notification for this product.
    JS8Call-improved JS8Call-improved Affected: 0 , < 3.0 (custom)
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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