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...

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...

CVE-2026-9151

The CVE-2026-9151 entry describes a command-injection in the VPN module of TP-Link Archer routers (AX12 v1, AX17 v1, AX18 v1, AX1300 v1.6). The root cause is improper filtering of special characters, enabling an adjacent, authenticated attacker to inject commands by importing a specially crafted ...

SUSE CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

SUSE CVE-2026-40215

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 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...

PT-2026-48560

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...

OpenVPN ovpn-dco-win 安全漏洞

OpenVPN ovpn-dco-win is a virtual network adapter for Windows developed by OpenVPN. There are security vulnerabilities in versions 2.0.0 to 2.8.3 of OpenVPN ovpn-dco-win. These vulnerabilities stem from errors in buffer size calculations by the epoch key generator, which may allow remotely...

ALPINE-CVE-2026-40215

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 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...

CVE-2026-40215

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 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...

ALPINE-CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

CVE-2026-40215

OpenVPN vulnerability CVE-2026-35058 and CVE-2026-40215 affect OpenVPN 2.6.x and 2.7.x up to 2.7.1. The issues include: (1) CVE-2026-35058 — server crash via an ASSERT caused by a malformed tls-crypt-v2 packet, exploitable by a client with a valid tls-crypt-v2 key, and (2) CVE-2026-40215 — a race...

CVE-2026-40215

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 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...

EUVD-2026-35200

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 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...

CVE-2026-40215

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 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...

CVE-2026-40215

A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 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...

CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

CVE-2026-35058

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

EUVD-2026-35197

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet...

CVE-2026-35058

Summary of CVE-2026-35058 / CVE-2026-40215 (OpenVPN) OpenVPN versions affected: 2.6.0–2.6.19 and 2.7_alpha1–2.7.1. The issue in tls-crypt-v2 key extraction stems from improper validation of packet length, which can trigger a fatal assertion and cause a denial of service when processing a speciall...