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

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...

CVE-2026-13698: Missing Release of Memory after Effective Lifetime

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-2026-13122: Reachable Assertion

OpenVPN version 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that triggers a reachable assertion when external-auth is enabled...

PT-2026-55933

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.5.0 through 2.5.11 OpenVPN versions 2.6.0 through 2.6.20 OpenVPN versions 2.7 alpha1 through 2.7.4 Description A memory leak exists that allows remote attackers possessing a valid tls-crypt-v2 client key to potentially trigg...

The vulnerability of the check_session_buf_not_used() function in the tls-crypt-v2 software of OpenVPN allows a malicious individual to gain unauthorized access to protected information, cause service failures, or execute arbitrary code.

The vulnerability of the checksessionbufnotused function in the tls-crypt-v2 software of OpenVPN allows for the use of memory after it is freed. Exploiting this vulnerability could enable a remote attacker to cause a service failure or execute arbitrary code...

[SECURITY] [DLA 4653-2] openvpn regression update

Debian LTS Advisory DLA-4653-2 [email protected] https://www.debian.org/lts/security/ Daniel Leidert July 06, 2026 https://wiki.debian.org/LTS Package : openvpn Version : 2.5.1-3+deb11u4 CVE ID : CVE-2026-12996 Debian Bug : 1141326 A regression has been discovered in the latest release ...

[SECURITY] Fedora 43 Update: openvpn-2.6.21-1.fc43

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...

[SECURITY] Fedora 44 Update: openvpn-2.7.5-1.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...

Fedora 43 : openvpn (2026-89f19dcfa6)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-89f19dcfa6 advisory. Update to upstream 2.6.21 release Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...

[SECURITY] [DLA 4666-1] openvpn security update

----------------------------------------------------------------------- Debian LTS Advisory DLA-4666-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta July 04, 2026 https://wiki.debian.org/LTS - -----------------------------------------------------------------------...

Linux Distros Unpatched Vulnerability : CVE-2026-13117

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Debian dsa-6376 : openvpn - security update

The remote Debian 13 host has a package installed that is affected by multiple vulnerabilities as referenced in the dsa-6376 advisory. - ------------------------------------------------------------------------- Debian Security Advisory DSA-6376-1 [email protected] https://www.debian.org/securit...

Fedora 44 : openvpn (2026-117dbc031b)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-117dbc031b advisory. Update to upstream 2.7.5 release Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus has not...

Linux Distros Unpatched Vulnerability : CVE-2026-11771

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

Debian dla-4666 : openvpn - security update

The remote Debian 12 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-4666 advisory. - ----------------------------------------------------------------------- Debian LTS Advisory DLA-4666-1 [email protected]...

Linux Distros Unpatched Vulnerability : CVE-2026-13122

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - OpenVPN version 2.6.0 through 2.6.20 and 2.7alpha1 through 2.7.4 allows remote attackers to cause a denial of service via a malformed authentication token that...

OpenVPN 2.6.x < 2.6.20 / 2.7.x < 2.7.2 TLS Race Condition

According to its self-reported version number, the version of OpenVPN installed on the remote host is affected by a vulnerability: - A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a...