CVE-2026-12932
High
Description
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
SeverityHigh
CVSS8.1
Exploit probability—
ProductOpenvpn
PublishedJul 30, 2026
First seenJul 30, 2026
Weakness typeCWE-401CWE-401
How to fix
Update
- openvpn openvpn2.6.21, 2.7.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openvpn openvpn | 2.5.0 ≤ v < 2.6.21, 2.7 ≤ v < 2.7.5 | 2.6.21, 2.7.5 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.