OpenVPN 2.7_alpha1 < 2.7.5 DNS State Pollution / DoS (CVE-2026-13379)

According to its self-reported version number, the version of OpenVPN installed on the remote Windows host is 2.7alpha1 through 2.7.4. It is, therefore, affected by a denial of service vulnerability: - The Windows interactive service in OpenVPN 2.7alpha1 through 2.7.4 allows remote attackers to...

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...

PT-2026-66521

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.7 alpha1 through 2.7.4 Description The Windows interactive service contains a flaw that allows remote attackers to trigger a service crash or persistent DNS state pollution. This occurs when a crafted search domain is...

CVE-2026-47703 AdGuard Home: DoQ-to-UDP State Reduction and Source-Port Oracle

AdGuard Home is a network-wide software for blocking ads and tracking. Prior to 0.107.75, AdGuard Home's client-triggered DoQ forwarding path to a udp:// upstream reduced backend UDP DNS state by producing dnsid=0 or txid=0 and exposed a quoted-port ICMP source-port oracle, weakening DNS response...

Managed TLS under Migration: Authentication Authority across CDN and Hosting Transitions

Managed TLS has become a common approach for deploying HTTPS, with platforms generating and storing private keys and automating certificate issuance on behalf of domain operators. This model simplifies operational management but shifts control of authentication material from the domain owner to t...