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    2 vulnerabilities found for flexhex by flexhex

    CVE-2019-25627 (GCVE-0-2019-25627)

    Vulnerability from nvd – Published: 2026-03-24 11:27 – Updated: 2026-03-24 13:15
    VLAI
    Title
    FlexHEX 2.71 Local Buffer Overflow via SEH Unicode
    Summary
    FlexHEX 2.71 contains a local buffer overflow vulnerability in the Stream Name field that allows local attackers to execute arbitrary code by triggering a structured exception handler (SEH) overflow. Attackers can craft a malicious text file with carefully aligned shellcode and SEH chain pointers, paste the contents into the Stream Name dialog, and execute arbitrary commands like calc.exe when the exception handler is triggered.
    Severity
    8.6 (High)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    8.4 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-434 - Unrestricted Upload of File with Dangerous Type
    Assigner
    References
    Impacted products
    Vendor Product Version
    Flexhex FlexHEX Affected: 2.71
    		Create a notification for this product.
    Date Public
    2019-04-06 00:00
    Credits
    Chris Au
    Show details on NVD website
    To clipboard 

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    CVE-2019-25627 (GCVE-0-2019-25627)

    Vulnerability from cvelistv5 – Published: 2026-03-24 11:27 – Updated: 2026-03-24 13:15
    VLAI
    Title
    FlexHEX 2.71 Local Buffer Overflow via SEH Unicode
    Summary
    FlexHEX 2.71 contains a local buffer overflow vulnerability in the Stream Name field that allows local attackers to execute arbitrary code by triggering a structured exception handler (SEH) overflow. Attackers can craft a malicious text file with carefully aligned shellcode and SEH chain pointers, paste the contents into the Stream Name dialog, and execute arbitrary commands like calc.exe when the exception handler is triggered.
    Severity
    8.6 (High)
    CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    8.4 (High)
    CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-434 - Unrestricted Upload of File with Dangerous Type
    Assigner
    References
    Impacted products
    Vendor Product Version
    Flexhex FlexHEX Affected: 2.71
    		Create a notification for this product.
    Date Public
    2019-04-06 00:00
    Credits
    Chris Au
    Show details on NVD website
    To clipboard 

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