UBUNTU-CVE-2023-46850

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    UBUNTU-CVE-2023-46850

    Published: 15 Nov 2023Last Modified: 4 Feb 2026
    Upstream:
    CVE-2023-46850
    Aliases:
    USN-6484-1

    Summary:

    Details: Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.

    References: https://ubuntu.com/security/CVE-2023-46850, https://community.openvpn.net/openvpn/wiki/CVE-2023-46850, https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/, https://ubuntu.com/security/notices/USN-6484-1, https://www.cve.org/CVERecord?id=CVE-2023-46850

    Affected packages

    Package

    Name: openvpn

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.7-1ubuntu2.20.04.4

    Affected versions

    2.4.7-1ubuntu2
    2.4.7-1ubuntu2.20.04.2
    2.4.7-1ubuntu2.20.04.3

    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-2023-46850 | CVE-DB