UBUNTU-CVE-2021-45451

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    UBUNTU-CVE-2021-45451

    Published: 21 Dec 2021Last Modified: 10 Oct 2025
    Upstream:

    Summary:

    Details: In Mbed TLS before 3.1.0, psa_aead_generate_nonce allows policy bypass or oracle-based decryption when the output buffer is at memory locations accessible to an untrusted application.

    Affected packages

    Package

    Name: mbedtls

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=esm-apps/xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    2.1.2-1

    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
    UBUNTU-CVE-2021-45451 | CVE-DB