High · published July 30, 2026
An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage
| Product | Versions | Fixed in |
|---|---|---|
| openvpn/openvpn | ≥ 2.6.0, < 2.6.21 | 2.6.21 |
| openvpn/openvpn | ≥ 2.7, < 2.7.5 | 2.7.5 |