PT-2026-55942

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.6.0 through 2.6.20 OpenVPN versions 2.7 alpha1 through 2.7.4 Description A remote attacker can cause a denial of service when the external-auth feature is enabled. This occurs by sending a malformed authentication token that...

EUVD-2025-199988

Insufficient argument validation in OpenVPN 2.7alpha1 through 2.7rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses...

CVE-2025-12106

Insufficient argument validation in OpenVPN 2.7alpha1 through 2.7rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses...

SUSE CVE-2025-10680

OpenVPN 2.7alpha1 through 2.7beta1 on POSIX based platforms allows a remote authenticated server to inject shell commands via DNS variables when --dns-updown is in use...