CVE-2026-12932

A flaw was found in OpenVPN. A memory leak in the tls-crypt-v2 client key extraction allows remote attackers to cause a denial of service DoS. By sending a flood of specially crafted packets, an attacker can exhaust the system's memory, making the service unavailable...

CVE-2026-11771

A flaw was found in OpenVPN. A remote attacker could exploit an off-by-one buffer write vulnerability during NTLM NT LAN Manager proxy authentication. By sending a specially crafted NTLM response from a malicious proxy server, the attacker could cause the OpenVPN client to crash, leading to a...

CVE-2026-13117

A flaw was found in OpenVPN. An incomplete guard allows remote authenticated peers to trigger a use-after-free vulnerability during TLS Transport Layer Security session promotion. This can lead to a denial of service, making the service unavailable, or memory leakage, which could potentially expo...

CVE-2026-12996

A flaw was found in OpenVPN. This use-after-free vulnerability allows remote authenticated peers to send specially crafted packets during TLS Transport Layer Security session promotion or expiry. Successful exploitation of this flaw could lead to a denial of service, making the service unavailabl...

Linux Distros Unpatched Vulnerability : CVE-2026-13379

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 2.7alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a...

SUSE SLED15: openvpn / openvpn-auth-pam-plugin / openvpn-dco / openvpn-dco-devel / etc (SUSE-SU-2026:3407-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:3407-1 advisory. - CVE-2026-13122: denial of service via a malformed authentication token that triggers a reachable assertion...

Security update for openvpn (important)

openSUSE security update: security update for openvpn ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21488-1 Rating: important References: bsc1270413 bsc1270414 Cross-References: CVE-2026-13122 CVE-2026-13698 CVSS scores: CVE-2026-13122 SUSE : 7.5...

ALPINE-CVE-2026-13117

An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7alpha1 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-2026-12996

A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7alpha1 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-2026-13117

An incomplete guard in OpenVPN 2.6.0 through 2.6.20 and 2.7alpha1 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-2026-13379

The Windows interactive service in OpenVPN 2.7alpha1 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...

ALPINE-CVE-2026-12996

A use-after-free in OpenVPN 2.6.0 through 2.6.20 and 2.7alpha1 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-2026-11771

OpenVPN version 2.1.0 through 2.6.20 and 2.7alpha1 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-2026-12932

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service memory exhaustion via a flood of crafted packets...

ALPINE-CVE-2026-12932

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service memory exhaustion via a flood of crafted packets...

UBUNTU-CVE-2026-13379

The Windows interactive service in OpenVPN 2.7alpha1 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-2026-13379

The Windows interactive service in OpenVPN 2.7alpha1 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...

SUSE CVE-2026-41070

openvpn-auth-oauth2 is a plugin/management interface client for OpenVPN server to handle an OIDC based single sign-on SSO auth flows. From version 1.26.3 to before version 1.27.3, when openvpn-auth-oauth2 is deployed in the experimental plugin mode shared library loaded by OpenVPN via the plugin...

CVE-2026-12932

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service memory exhaustion via a flood of crafted packets...

CVE-2026-12932

A memory leak in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service memory exhaustion via a flood of crafted packets...