USN-4196-1

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    USN-4196-1

    Published: 18 Nov 2019Last Modified: 10 Feb 2026

    Summary: python-ecdsa vulnerabilities

    Details: It was discovered that python-ecdsa incorrectly handled certain signatures. A remote attacker could possibly use this issue to cause python-ecdsa to generate unexpected exceptions, resulting in a denial of service. (CVE-2019-14853) It was discovered that python-ecdsa incorrectly verified DER encoding in signatures. A remote attacker could use this issue to perform certain malleability attacks. (CVE-2019-14859)

    References: https://ubuntu.com/security/notices/USN-4196-1, https://ubuntu.com/security/CVE-2019-14853, https://ubuntu.com/security/CVE-2019-14859

    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
    USN-4196-1 | CVE-DB