CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.

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-2026-35058
https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381

Configurations

No configuration.

History

23 Jul 2026, 08:10

Type	Values Removed	Values Added
Summary		(es) Validación incorrecta de la longitud del paquete durante la extracción de clave tls-crypt-v2 en OpenVPN 2.6.0 hasta 2.6.19 y 2.7_alpha1 hasta 2.7.1 permite a atacantes autenticados activar una aserción fatal y causar una denegación de servicio a través de un paquete especialmente diseñado.

08 Jun 2026, 21:16

Type	Values Removed	Values Added
References		() https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381 -

08 Jun 2026, 20:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-08 20:17

Updated : 2026-07-23 08:10

NVD link : CVE-2026-35058

Mitre link : CVE-2026-35058

CVE.ORG link : CVE-2026-35058

JSON object : View

Products Affected

No product.

CWE

CWE-617

Reachable Assertion

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