CVE-2026-78221

Summary

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.

Affected Software

VendorProductVersion RangeStatus
OpenVPNOpenVPN2.7_alpha1 <= 2.7.6affected

Weaknesses

  • CWE-131: CWE-131 Incorrect calculation of buffer size

References