UBUNTU-CVE-2019-5010

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    UBUNTU-CVE-2019-5010

    Published: 18 Jan 2019Last Modified: 22 Apr 2026
    Upstream:
    CVE-2019-5010

    Summary:

    Details: An exploitable denial-of-service vulnerability exists in the X509 certificate parser of Python.org Python 2.7.11 / 3.6.6. A specially crafted X509 certificate can cause a NULL pointer dereference, resulting in a denial of service. An attacker can initiate or accept TLS connections using crafted certificates to trigger this vulnerability.

    References: https://ubuntu.com/security/CVE-2019-5010, https://github.com/python/cpython/pull/11569, https://python-security.readthedocs.io/vuln/ssl-crl-dps-dos.html, https://blog.talosintelligence.com/2019/01/vulnerability-spotlight-pythonorg.html, https://ubuntu.com/security/notices/USN-4127-1, https://ubuntu.com/security/notices/USN-4127-2, https://www.cve.org/CVERecord?id=CVE-2019-5010, https://ubuntu.com/security/notices/USN-6891-1

    Affected packages

    Package

    Name: python3.4

    Purl: pkg:deb/ubuntu/[email protected]~14.04.7+esm2?arch=source&distro=trusty/esm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.4.3-1ubuntu1~14.04.7+esm2

    Affected versions

    3.4~b1-0ubuntu3

    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