PT-2025-14550

Name of the Vulnerable Software and Affected Versions OpenVPN versions 2.6.1 through 2.6.13 Description The issue allows remote attackers to trigger a denial of service by corrupting and replaying network packets in the early handshake phase when OpenVPN is used in server mode with TLS-crypt-v2. ...

openvpn -- server-side denial-of-service vulnerability with tls-crypt-v2

Gert Doering reports: OpenVPN servers between 2.6.1 and 2.6.13 using --tls-crypt-v2 can be made to abort with an ASSERT message by sending a particular combination of authenticated and malformed packets. To trigger the bug, a valid tls-crypt-v2 client key is needed, or network observation of a...