CVE-2026-40215

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.

CVSS

No CVSS.

References

Link	Resource
https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026
https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026
https://community.openvpn.net/Security%20Announcements/CVE-2026-40215

Configurations

No configuration.

History

23 Jul 2026, 08:10

Type	Values Removed	Values Added
Summary		(es) Una condición de carrera en OpenVPN 2.6.0 desde 2.6.19 y 2.7_alpha1 hasta 2.7.1 permite a atacantes remotos potencialmente causar una caída del servidor o una fuga de memoria del heap a través de un uso después de liberación activado durante la promoción de la sesión TLS.

08 Jun 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-08 21:16

Updated : 2026-07-23 08:10

NVD link : CVE-2026-40215

Mitre link : CVE-2026-40215

CVE.ORG link : CVE-2026-40215

JSON object : View

Products Affected

No product.

CWE

CWE-125

Out-of-bounds Read

CWE-416

Use After Free

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