A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
History

Wed, 08 Jul 2026 22:00:00 +0000

Type Values Removed Values Added
Title Memory Leak in OpenVPN TLS‑Crypt‑V2 Client Key Processing Leading to Potential Denial of Service

Wed, 08 Jul 2026 06:00:00 +0000

Type Values Removed Values Added
Title Memory Leak Causing Remote Denial of Service in OpenVPN

Tue, 07 Jul 2026 06:15:00 +0000

Type Values Removed Values Added
Title Memory Leak Causing Remote Denial of Service in OpenVPN

Mon, 06 Jul 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 06 Jul 2026 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Openvpn
Openvpn openvpn
Vendors & Products Openvpn
Openvpn openvpn

Mon, 06 Jul 2026 14:30:00 +0000

Type Values Removed Values Added
Description A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service
Weaknesses CWE-401
CWE-770
References
Metrics cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published: 2026-07-06T14:13:49.479Z

Updated: 2026-07-06T15:28:16.081Z

Reserved: 2026-06-29T11:47:58.522Z

Link: CVE-2026-13698

cve-icon Vulnrichment

Updated: 2026-07-06T15:28:10.841Z

cve-icon NVD

No data.

cve-icon Redhat

No data.