OpenVPN before 2.0.1 does not properly flush the OpenSSL error queue when a packet can not be decrypted by the server, which allows remote authenticated attackers to cause a denial of service (client disconnection) via a large number of packets that can not be decrypted.
CVSS Details
- CVSS 3.1 Base Score: 6.5
Covered by Rapid7
| 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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