CVE-2026-84471

The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry...

CVE-2026-84471

A use-after-free vulnerability exists in OpenVPN versions 2.6.0 through 2.6.22 and 2.7_alpha1 through 2.7.7 . The flaw resides in the TLS session handling and stems from an incomplete fix for CVE-2026-12996. It allows remote authenticated peers to trigger a denial of service (causing the applicat...

EUVD-2026-101085

The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7alpha1 through 2.7.7 allows remote authenticated peers to potentially cause a denial of service or leak memory via crafted packets during TLS session promotion or expiry...

Ubuntu: USN-8852-1 (CVE-2026-84471): OpenVPN vulnerabilities

The fix for CVE-2026-12996 was incomplete. A use-after-free in OpenVPN 2.6.0 through 2.6.22 and 2.7alpha1 through 2.7.7 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-2026-12996

CVE-2026-12996 affects OpenVPN 2.6.0–2.6.20 and 2.7_alpha1–2.7.4, via a use-after-free in ack_write_buf triggered by specific control/auth sequence during TLS session promotion/expiry, potentially causing a crash or memory leak (denial of service). Connected advisories note that updates exist to ...

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...

EUVD-2026-51234

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-2026-13117: Use After Free

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: Use After Free

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...

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...

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...

SUSE CVE-2026-40215

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 use-after-free triggered during TLS session promotion...

ALPINE-CVE-2026-40215

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 use-after-free triggered during TLS session promotion...

CVE-2026-40215

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 use-after-free triggered during TLS session promotion...

CVE-2026-40215: Out-of-bounds Read

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 use-after-free triggered during TLS session promotion...