MGASA-2026-0126 Updated openvpn packages fix security vulnerabilities

CVE-2026-35058 - fix server ASSERT on receiving a suitably malformed packet with a valid tls-crypt-v2 key CVE-2026-40215 - fix race condition in TLS handshake that could lead to leaking of packet data from a previous handshake under specific circumstances...

OpenVPN TLS Crypt v2 Client Key Extraction denial of service vulnerability

Talos Vulnerability Report TALOS-2026-2381 OpenVPN TLS Crypt v2 Client Key Extraction denial of service vulnerability April 27, 2026 CVE Number CVE-2026-35058 SUMMARY A reachable assertion vulnerability exists in the TLS Crypt v2 Client Key Extraction functionality of OpenVPN 2.6.x and 2.8git. A...

PT-2026-36643

Guannan Wang, Zhanpeng Liu, Guancheng Li, and Emma Reuter discovered that OpenVPN incorrectly handled suitably malformed packets with valid tls-crypt-v2 keys. An attacker could possibly use this issue to cause OpenVPN to crash, resulting in a denial of service. CVE-2026-35058 Guannan Wang, Zhanpe...

UBUNTU-CVE-2026-35058

server ASSERT on receiving a suitably malformed packet with a valid tls-crypt-v2 key...

PT-2026-36645

Guannan Wang, Zhanpeng Liu, Guancheng Li, and Emma Reuter discovered that OpenVPN incorrectly handled suitably malformed packets with valid tls-crypt-v2 keys. An attacker could possibly use this issue to cause OpenVPN to crash, resulting in a denial of service. CVE-2026-35058 Guannan Wang, Zhanpe...

EUVD-2025-9571

Malicious code in bioql PyPI...

Security update for openvpn

This update for openvpn fixes the following issues: CVE-2025-2704: Fixed remote DoS due to possible ASSERT on OpenVPN servers using --tls-crypt-v2 bsc1240392 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

SUSE-SU-2025:01508-1 Security update for openvpn

This update for openvpn fixes the following issues: - CVE-2025-2704: Fixed remote DoS due to possible ASSERT on OpenVPN servers using --tls-crypt-v2 bsc1240392...

Amazon Linux 2023 : openvpn, openvpn-devel (ALAS2023-2025-967)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-967 advisory. OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase...

Security update for openvpn

This update for openvpn fixes the following issues: CVE-2025-2704: Fixed remote DoS due to possible ASSERT on OpenVPN servers using --tls-crypt-v2 bsc1240392 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch"...

SUSE CVE-2025-2704

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase...

OpenVPN Server versions 2.6.1 <= 2.6.13 DoS

OpenVPN from 2.6.1 through 2.6.13, setup with tls-crypt-v2. is affected by a denial of service vulnerability. A local attacker who can monitor network traffic, can inject specially crafted packets during the tls-crypt2-v2 handshake and corrupt the server. %NASLMINLEVEL 80900 C Tenable, Inc...

FreeBSD : openvpn -- server-side denial-of-service vulnerability with tls-crypt-v2 (2cad4541-0f5b-11f0-89f8-411aefea0df9)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 2cad4541-0f5b-11f0-89f8-411aefea0df9 advisory. Gert Doering reports: OpenVPN servers between 2.6.1 and 2.6.13 using --tls-crypt-v2 can be made to abor...

ALPINE-CVE-2025-2704

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase...

DEBIAN-CVE-2025-2704

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase...

CVE-2025-2704

CVE-2025-2704 affects OpenVPN server mode with TLS-crypt-v2, for versions 2.6.1–2.6.13. The vulnerability allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase. Impact is described as Availability loss with a network attack...

CVE-2025-2704

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase...

CVE-2025-2704

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase...

CVE-2025-2704

OpenVPN version 2.6.1 through 2.6.13 in server mode using TLS-crypt-v2 allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase...

PT-2025-14550

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.6.1 through 2.6.13 Description The issue allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase when OpenVPN is used in server mode with TLS-crypt-v2. ...