OESA-2026-3784 openvpn security update

OpenVPN is a full-featured open source SSL VPN solution that accommodates a wide range of configurations, including remote access, site-to-site VPNs, Wi-Fi security, and enterprise-scale remote access solutions with load balancing, failover, and fine-grained access-controls. Starting with the...

Astra Linux – Vulnerability in OpenVPN

A vulnerability was discovered in OpenVPN 2.4.x prior to version 2.4.9. An attacker can inject a data channel v2 PDATAV2 packet using the victim’s peer-id. Normally, such packets are discarded. However, if this packet arrives before the data channel crypto parameters have been initialized, the...

Astra Linux – Vulnerability in OpenVPN

OpenVPN 2.1 up to v2.4.12 and v2.5.6 may enable authentication bypass in external authentication plugins when more than one of them uses deferred authentication responses. This allows an external user to be granted access with only partially correct credentials...

[SECURITY] Fedora 45 Update: openvpn-2.7.7-1.fc45

OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single UDP or TCP port. It can use the Marcus Franz Xaver Johannes Oberhumers LZO library for...

Fedora 45 : openvpn (2026-17203fb331)

The remote Fedora 45 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-17203fb331 advisory. Update to upstream 2.7.7 release Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...

[SECURITY] Fedora 44 Update: openvpn-2.7.7-1.fc44

OpenVPN is a robust and highly flexible tunneling application that uses all of the encryption, authentication, and certification features of the OpenSSL library to securely tunnel IP networks over a single UDP or TCP port. It can use the Marcus Franz Xaver Johannes Oberhumers LZO library for...

Linux Distros Unpatched Vulnerability : CVE-2026-81830

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via...

UBUNTU-CVE-2026-81830

The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows...

Linux kernel OVPN TCP Close

The vulnerability of the ovpntcpclose function in the drivers/net/ovpn/tcp.c module of the Linux kernel’s network device driver is related to a race condition in the signal processing routine. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

Fedora 44 : openvpn (2026-725faae162)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-725faae162 advisory. Update to upstream 2.7.7 release Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...

SUSE CVE-2026-78043

The Windows Interactive Service in OpenVPN 2.7alpha1 through 2.7.6 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary configuration files via specially crafted paths...

SUSE CVE-2026-78221

An incorrect buffer size calculation in the Windows Interactive Service in OpenVPN 2.7alpha1 through 2.7.6 allows local authenticated users to cause memory corruption or disclose sensitive information via crafted NRPT inputs...

CVE-2026-81738

A flaw was found in OpenVPN when using the tap-windows6 driver. A remote attacker could exploit this vulnerability by sending specially crafted DOMAIN-SEARCH entries. This could lead to an out-of-bounds write, potentially causing information disclosure or a denial of service...

SUSE CVE-2026-81738

OpenVPN 2.5.0 through 2.7.6 on Windows using the tap-windows6 driver allows attackers to trigger an out-of-bounds write via crafted DOMAIN-SEARCH entries...

SUSE CVE-2026-81830

The Windows interactive service in OpenVPN 2.4.0 through 2.6.22 allows local authenticated users to bypass the trusted configuration directory constraint via incorrect file path validation...

SUSE CVE-2026-82312

OpenVPN 2.0.0 through 2.6.22 and 2.7alpha1 through 2.7.6 on Windows allows local authenticated users to cause a denial of service via a NULL DACL on named IPC objects...

SUSE CVE-2026-82325

A use-after-free vulnerability in the OpenVPN ovpn-dco-win driver version 2.5.0 through 2.8.6 allows local authenticated users to cause a system crash via crafted control messages...

SUSE CVE-2026-84226

OpenVPN version 2.5.0 through 2.6.22 and 2.7alpha1 through 2.7.6 on Windows allows local authenticated users to perform a binary planting attack during network configuration steps...

SUSE CVE-2026-84256

An argument parsing issue in OpenVPN 2.1rc10 through 2.6.22 and 2.7alpha1 through 2.7.7 on Windows allows remote authenticated users to execute arbitrary commands via a crafted certificate subject...

SUSE CVE-2026-84732

Retransmissions of ACK packet ID in OpenVPN through 2.6.22 and 2.7.6 allow remote unauthenticated attackers to cause a denial of service via crafted inputs that trigger a timeout integer overflow...