UBUNTU-CVE-2025-27810

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    UBUNTU-CVE-2025-27810

    Published: 25 Mar 2025Last Modified: 22 Apr 2026
    Upstream:
    CVE-2025-27810
    Aliases:
    USN-8123-1

    Summary:

    Details: Mbed TLS before 2.28.10 and 3.x before 3.6.3, in some cases of failed memory allocation or hardware errors, uses uninitialized stack memory to compose the TLS Finished message, potentially leading to authentication bypasses such as replays.

    References: https://ubuntu.com/security/CVE-2025-27810, https://www.cve.org/CVERecord?id=CVE-2025-27810, https://mbed-tls.readthedocs.io/en/latest/security-advisories/mbedtls-security-advisory-2025-03-2/, https://ubuntu.com/security/notices/USN-8123-1

    Affected packages

    Package

    Name: mbedtls

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=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-2025-27810 | CVE-DB