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OpenVPN 2.x before 2.0.4, when running in TCP mode, allows remote attackers to cause a denial of service (segmentation fault) by forcing the accept function call to return an error status, which leads to a null dereference in an exception handler.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade openvpn | Jul 30, 2024 | Nov 2, 2005 |
| Freebsd | — | Upgrade openvpn | Dec 10, 2025 | Nov 1, 2005 |
| Gentoo Linux | — | Upgrade net-misc/openvpn. | Oct 30, 2017 | Nov 1, 2005 |
| Suse | — | Upgrade openvpn-down-root-pluginUpgrade openvpn-develUpgrade openvpnUpgrade openvpn-auth-pam-plugin | Sep 1, 2026 | Jun 28, 2013 |
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