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OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to remote denial-of-service due to memory exhaustion caused by memory leaks and double-free issue in extract_x509_extension().
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux | — | Upgrade openvpn | Jun 29, 2017 | May 19, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jun 27, 2017 |
| Debian | — | Upgrade openvpn | Jun 29, 2017 | May 19, 2017 |
| Freebsd | — | Upgrade openvpn-polarsslUpgrade openvpn-mbedtlsUpgrade openvpn | Jun 22, 2017 | Jun 21, 2017 |
| Suse | — | Upgrade openvpn-auth-pam-pluginUpgrade openvpn-develUpgrade openvpn-openssl1Upgrade openvpnUpgrade openvpn-openssl1-down-root-plugin | Jun 22, 2017 | May 19, 2017 |
| Ubuntu | — | Upgrade openvpn | Jun 23, 2017 | May 19, 2017 |
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