Search Results (80 CVEs found)

CVE Vendors Products Updated CVSS v3.1
CVE-2026-81830 1 Openvpn 1 Openvpn 2026-09-08 5.5 Medium
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
CVE-2026-81738 1 Openvpn 1 Openvpn 2026-09-08 4.2 Medium
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
CVE-2026-78221 1 Openvpn 1 Openvpn 2026-09-08 7.5 High
An incorrect buffer size calculation in the Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to cause memory corruption or disclose sensitive information via crafted NRPT inputs.
CVE-2026-78043 1 Openvpn 1 Openvpn 2026-09-08 5.5 Medium
The Windows Interactive Service in OpenVPN 2.7_alpha1 through 2.7.6 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary configuration files via specially crafted paths
CVE-2026-84256 1 Openvpn 1 Openvpn 2026-09-07 8.8 High
An argument parsing issue in OpenVPN 2.1_rc10 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows remote authenticated users to execute arbitrary commands via a crafted certificate subject
CVE-2026-84732 1 Openvpn 1 Openvpn 2026-09-07 7.5 High
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
CVE-2026-82312 1 Openvpn 1 Openvpn 2026-09-07 5.5 Medium
OpenVPN 2.0.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to cause a denial of service via a NULL DACL on named IPC objects
CVE-2026-84226 1 Openvpn 1 Openvpn 2026-09-07 7.8 High
OpenVPN version 2.5.0 through 2.6.22 and 2.7_alpha1 through 2.7.6 on Windows allows local authenticated users to perform a binary planting attack during network configuration steps
CVE-2026-63650 1 Openvpn 1 Openvpn 2026-08-17 3.1 Low
OpenVPN 2.7_alpha1 through 2.7.5 using mbedTLS allows remote authenticated users to be misidentified by ignoring the configured X.509 username identity lookup field
CVE-2026-63649 1 Openvpn 1 Openvpn 2026-08-17 8.8 High
The Windows interactive service in OpenVPN 2.4.0 through 2.6.21 and 2.7_alpha1 through 2.7.5 allows local authenticated users to bypass the trusted configuration directory constraint and load arbitrary configuration files via crafted options that bypass whitelist checks
CVE-2026-35058 1 Openvpn 1 Openvpn 2026-08-11 6.5 Medium
Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 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 1 Openvpn 1 Openvpn 2026-08-11 7.4 High
A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 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-2026-11604 1 Openvpn 2 Openvpn, Ovpn-dco-win 2026-08-11 6.5 Medium
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-2026-13379 1 Openvpn 1 Openvpn 2026-08-03 9.1 Critical
The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process
CVE-2026-13117 1 Openvpn 1 Openvpn 2026-07-31 8.1 High
An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to trigger a use-after-free during TLS session promotion, potentially leading to a denial of service or memory leakage
CVE-2026-12932 1 Openvpn 1 Openvpn 2026-07-30 8.1 High
A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote attackers to cause a denial of service (memory exhaustion) via a flood of crafted packets
CVE-2026-11771 1 Openvpn 1 Openvpn 2026-07-30 7.5 High
OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server
CVE-2026-12996 2 Debian, Openvpn 2 Debian Linux, Openvpn 2026-07-30 8.1 High
A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry
CVE-2025-3110 1 Openvpn 1 Openvpn Access Server 2026-07-10 7.5 High
OpenVPN Access Server 2.7.2 through 3.1.0 accepts bare line-feed sequences inside HTTP header values, allowing remote attackers to perform HTTP request smuggling when deployed behind a reverse proxy
CVE-2026-13698 1 Openvpn 1 Openvpn 2026-07-08 7.5 High
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