CVE-2025-54764

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    CVE-2025-54764

    Published: 20 Oct 2025Last Modified: 8 Oct 2026

    Summary:

    Details: Mbed TLS before 3.6.5 allows a local timing attack against certain RSA operations, and direct calls to mbedtls_mpi_mod_inv or mbedtls_mpi_gcd.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/54xxx/CVE-2025-54764.json, https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-10-ssbleed-mstep/, https://mbed-tls.readthedocs.io/en/latest/tech-updates/security-advisories/, https://nvd.nist.gov/vuln/detail/CVE-2025-54764

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -e185d7fd85499c8ce5ca2a54f5cf8fe7dbe3f8df

    Affected versions

    v2.26.0

    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
    CVE-2025-54764 | CVE-DB