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MEDIUM

openvpn: From CVEorg collector

Published Jul 6, 2026

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

Affected products

Remediation

Red Hat statement

Moderate: A memory leak in OpenVPN could lead to a denial of service. This vulnerability requires a valid `tls-crypt-v2` client key, limiting the attack surface to authenticated remote attackers. While requiring authentication, repeated exploitation could exhaust system resources, impacting service availability on Red Hat supported OpenVPN deployments.

Red Hat mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

References (5)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner OpenVPN
Published Jul 6, 2026
Updated Jul 6, 2026
Reserved Jun 29, 2026
CISA Vulnrichment
Updated Jul 6, 2026
NVD
Status Analyzed
Modified Jul 9, 2026
Red Hat
Severity Moderate
Public date Jul 6, 2026