35 matches found
OpenVPN 2.5.0 < 2.5.12 / 2.6.0 < 2.6.21 / 2.7.x < 2.7.5 Memory Leak DoS
According to its self-reported version number, the version of OpenVPN installed on the remote Windows host is affected by a denial of service vulnerability: - A memory leak in tls-crypt-v2 client key handling allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a deni...
Updated openvpn packages fix security vulnerabilities
The updated packages fix security vulnerabilities: Possible 1-byte buffer overrun on NTLMv2 proxy responses. CVE-2026-11771 Memory-leak in tls-crypt-v2 client key handling that could lead to out-of-memory situations and subsequent server crashes. CVE-2026-12932 Use-after-free bug in ackwritebuf,...
CVE-2026-13698
CVE-2026-13698 is a memory-leak issue in OpenVPN related to tls-crypt-v2 client key handling, as noted in Mageia advisory MGASA-2026-0236. The advisory explicitly links this CVE to a memory leak that could contribute to server instability or crashes. Mageia reports the OpenVPN vulnerability along...
CVE-2026-13698
A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service...
CVE-2026-13698
A memory leak in OpenVPN version 2.5.0 through 2.5.11, 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers with a valid tls-crypt-v2 client key to potentially cause a denial of service...
openvpn -- multiple vulnerabilities
The OpenVPN community project team reports: ... OpenVPN 2.7.5 ... is a bugfix release fixing several security issues: Fix use-after-free bug in ackwritebuf, triggerable by a well-timed sequence of control channel + authentication packets CVE-2026-12996 Fix use-after-free bug in tlswrapreneg,...
CVE-2026-35058
A flaw was found in OpenVPN. This vulnerability, caused by improper validation of packet length during tls-crypt-v2 key extraction, allows an authenticated attacker to send a specially crafted packet. Successful exploitation can trigger a fatal assertion, leading to a denial of service DoS...
OESA-2026-2626 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...
OESA-2026-2623 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...
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...
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
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...
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
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...
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-2026-36645
Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.6.0 through 2.6.19 OpenVPN versions 2.7 alpha1 through 2.7.1 Description A race condition occurs during the TLS handshake, specifically during TLS session promotion. This issue can be triggered by remote attackers, potential...
UBUNTU-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...
PT-2026-36643
Name of the Vulnerable Software and Affected Versions OpenVPN affected versions not specified Description An issue exists in the tls crypt v2 extract client key function where an uncontrolled assertion is reachable. A remote attacker can trigger a denial of service by sending a suitably malformed...
EUVD-2025-9571
Malicious code in bioql PyPI...