CVE-2017-7522
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service by authenticated remote attacker via sending a certificate with an embedded NULL character.
Date published : 2017-06-27
http://www.securityfocus.com/bid/99230
https://community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243