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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade openvpn | Jul 30, 2024 | Aug 24, 2005 |
| Freebsd | — | Upgrade openvpn | Dec 10, 2025 | Aug 19, 2005 |
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