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...

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...

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-2026-13117

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...

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...

EUVD-2026-51241

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...

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

CVE-2026-12932 is a memory-leak vulnerability in the tls-crypt-v2 client key extraction in OpenVPN 2.5.0–2.6.20 and 2.7_alpha1–2.7.4 that can be exploited remotely by a flood of crafted packets to cause memory exhaustion/DoS. Public advisories/OSV entries indicate fixes in later OpenVPN releases ...

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...

EUVD-2026-51239

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-2026-12996

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 ...