UBUNTU-CVE-2022-48566

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    UBUNTU-CVE-2022-48566

    Published: 22 Aug 2023Last Modified: 8 Sept 2026
    Upstream:
    CVE-2022-48566

    Summary:

    Details: An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.

    References: https://ubuntu.com/security/CVE-2022-48566, https://github.com/python/cpython/commit/8183e11d87388e4e44e3242c42085b87a878f781, https://github.com/python/cpython/issues/84968, https://bugs.python.org/issue40791, https://ubuntu.com/security/notices/USN-6400-1, https://www.cve.org/CVERecord?id=CVE-2022-48566, https://ubuntu.com/security/notices/USN-6891-1, https://ubuntu.com/security/notices/USN-7180-1

    Affected packages

    Package

    Name: python3.5

    Purl: pkg:deb/ubuntu/python3.5?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.5.2-2ubuntu0~16.04.4~14.04.1+esm1

    Affected versions

    3.5.2-2ubuntu0~16.04.4~14.04.1

    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-2022-48566 | CVE-DB