CVE-2026-78221
No fix known EPSS <1%CVSS 5.9
An incorrect buffer size calculation in the Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to cause memory corruption or disclose sensitive information via crafted NRPT inputs.
Products: OpenVPN
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu 20.04 LTS | openvpn | no fix |
| Ubuntu 22.04 LTS | openvpn | no fix |
| Ubuntu 24.04 LTS | openvpn | no fix |
| Ubuntu 26.04 LTS | openvpn | no fix |
| Ubuntu Pro 14.04 LTS | openvpn | no fix |
| Ubuntu Pro 16.04 LTS | openvpn | no fix |
| Ubuntu Pro 18.04 LTS | openvpn | no fix |