UBUNTU-CVE-2018-1000807

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    UBUNTU-CVE-2018-1000807

    Published: 8 Oct 2018Last Modified: 4 Feb 2026
    Aliases:
    USN-3813-1

    Summary:

    Details: Python Cryptographic Authority pyopenssl version prior to version 17.5.0 contains a CWE-416: Use After Free vulnerability in X509 object handling that can result in Use after free can lead to possible denial of service or remote code execution.. This attack appear to be exploitable via Depends on the calling application and if it retains a reference to the memory.. This vulnerability appears to have been fixed in 17.5.0.

    References: https://ubuntu.com/security/CVE-2018-1000807, https://ubuntu.com/security/notices/USN-3813-1, https://www.cve.org/CVERecord?id=CVE-2018-1000807

    Affected packages

    Package

    Name: pyopenssl

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0.15.1-2ubuntu0.2

    Affected versions

    0.15.1-2build1

    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