CVE-2026-78221

State
Published
Severity
5.9 Medium
Published
Sep 7, 2026
Updated
Sep 8, 2026
Reserved
Aug 26, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.05.9 MediumCVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:N/VA:H/SC:H/SI:N/SA:HOpenVPN

Weaknesses

  • CWE-131 Incorrect calculation of buffer size

Affected Products

ProductVersions
OpenVPNOpenVPN
  • 2.7_alpha1 through 2.7.6Affected

References

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