UBUNTU-CVE-2019-14853

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    UBUNTU-CVE-2019-14853

    Published: 14 Oct 2019Last Modified: 4 Feb 2026
    Upstream:
    CVE-2019-14853
    Aliases:
    USN-4196-1

    Summary:

    Details: An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.

    References: https://ubuntu.com/security/CVE-2019-14853, https://github.com/warner/python-ecdsa/pull/115, https://github.com/warner/python-ecdsa/pull/124, https://ubuntu.com/security/notices/USN-4196-1, https://www.cve.org/CVERecord?id=CVE-2019-14853

    Affected packages

    Package

    Name: python-ecdsa

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.13-2ubuntu0.16.04.1

    Affected versions

    0.13-2

    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-2019-14853 | CVE-DB