CVE-2026-11604

An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption via a crafted data packet, resulting in a system crash (denial of service).

CVSS

No CVSS.

References

Link	Resource
https://community.openvpn.net/Security%20Announcements/CVE-2026-11604
https://github.com/OpenVPN/ovpn-dco-win/releases

Configurations

No configuration.

History

23 Jul 2026, 09:10

Type	Values Removed	Values Added
Summary		(es) Un cálculo incorrecto del tamaño del búfer en el generador de claves de época en OpenVPN ovpn-dco-win versiones 2.0.0 a 2.8.3 permite a un par remoto autenticado activar un desbordamiento de búfer basado en montículo y corrupción de memoria del kernel a través de un paquete de datos manipulado, lo que resulta en un fallo del sistema (denegación de servicio).

10 Jun 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-10 22:16

Updated : 2026-07-23 09:10

NVD link : CVE-2026-11604

Mitre link : CVE-2026-11604

CVE.ORG link : CVE-2026-11604

JSON object : View

Products Affected

No product.

CWE

CWE-122

Heap-based Buffer Overflow

CWE-131

Incorrect Calculation of Buffer Size

CWE-787

Out-of-bounds Write

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