CVE-2026-12932: Openvpn

High severity, CVSS 8.1. EPSS: 0.7% chance of exploitation in the next 30 days.

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets

Affected products

• Openvpn Openvpn: from 2.5.0, before 2.6.21 (fixed in 2.6.21); from 2.7, before 2.7.5 (fixed in 2.7.5)

Published 2026-07-30. Last modified 2026-08-05.