CVE-2019-5010

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    CVE-2019-5010

    Published: 31 Oct 2019Last Modified: 9 Oct 2026

    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://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E, http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html, https://access.redhat.com/errata/RHSA-2019:3520, https://access.redhat.com/errata/RHSA-2019:3725, https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html, https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html, https://security.gentoo.org/glsa/202003-26, https://talosintelligence.com/vulnerability_reports/TALOS-2019-0758

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -413a49145e35c7a2d3a7de27c5a1828449c9b2e5

    Affected versions

    v3.6.9rc1
    v3.6.8
    v3.6.8rc1
    v3.6.6rc1
    v3.6.2rc1
    v3.6.0rc1
    v3.6.0b4
    v3.6.0b3
    v3.6.0b1
    v3.6.0a3

    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
    CVE-2019-5010 | CVE-DB