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    CVE-2025-53557

    A heap-based buffer overflow vulnerability exists in the MFER parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted MFER file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

    Published:Aug 25, 2025
    Last Modified:Nov 3, 2025
    EPS:Aug 25, 2025
    EPSS Score:0.00148
    CVSS Score:9.8

    Affected Products

    Vendor
    Libbiosig Project
    Product
    Libbiosig
    Vendor
    The Biosig Project
    Product
    Libbiosig

    Exploits

    https://talosintelligence.com/vulnerability_reports/TALOS-2025-2235

    Common Weakness Enumeration

    CWE-122 Heap-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2025-64736 (CVSS 6.1) — An out-of-bounds read vulnerability exists in the ABF parsing functionality of The Biosig Project libbiosig 3.…
    CVE-2026-22891 (CVSS 9.8) — A heap-based buffer overflow vulnerability exists in the Intan CLP parsing functionality of The Biosig Project…
    CVE-2026-20777 (CVSS 8.1) — A heap-based buffer overflow vulnerability exists in the Nicolet WFT parsing functionality of The Biosig Proje…
    CVE-2025-66048 (CVSS 9.8) — Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Pro…
    CVE-2025-66047 (CVSS 9.8) — Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Pro…
    CVE-2025-66046 (CVSS 9.8) — Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Pro…
    CVE-2025-66045 (CVSS 9.8) — Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Pro…
    CVE-2025-66044 (CVSS 9.8) — Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Pro…
    CVE-2025-66043 (CVSS 9.8) — Several stack-based buffer overflow vulnerabilities exists in the MFER parsing functionality of The Biosig Pro…
    CVE-2025-53518 (CVSS 9.8) — An integer overflow vulnerability exists in the ABF parsing functionality of The Biosig Project libbiosig 3.9.…

    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