CVE-2005-2533

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    CVE-2005-2533

    Published: 24 Aug 2005Last Modified: 10 Apr 2026

    Summary:

    Details: OpenVPN before 2.0.1, when running in "dev tap" Ethernet bridging mode, allows remote authenticated clients to cause a denial of service (memory exhaustion) via a flood of packets with a large number of spoofed MAC addresses.

    References: http://secunia.com/advisories/16463, http://secunia.com/advisories/17103, http://www.debian.org/security/2005/dsa-851, http://www.mandriva.com/security/advisories?name=MDKSA-2005:145, http://www.mandriva.com/security/advisories?name=MDKSA-2005:145, http://openvpn.net/changelog.html

    Affected packages

    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