openvpn: The fix for CVE-2026-12996 was incomplete
CVE-2026-84471 is fixed in openvpn on 1 platform, first by openvpn 2.7.0-1ubuntu1.3, released September 7, 2026. It is not reported as exploited. Patch Radar priority: Routine.
The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| openvpn · Debian 14 | 2.7.7-1 | DEBIAN-CVE-2026-84471 | Sep 10, 2026 |
| openvpn · Ubuntu 22.04.1 LTS (jammy) | 2.5.11-0ubuntu0.22.04.5 | openvpn 2.5.11-0ubuntu0.22.04.5 | Oct 1, 2026 |
| openvpn · Ubuntu 24.04.5 LTS (noble) | 2.6.19-0ubuntu0.24.04.4 | openvpn 2.6.19-0ubuntu0.24.04.4 | Oct 1, 2026 |
| openvpn · Ubuntu 26.04.1 LTS (resolute) | 2.7.0-1ubuntu1.3 | openvpn 2.7.0-1ubuntu1.3 | Sep 7, 2026 |
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