A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.
Exploitability
AV:NAC:HAT:NPR:LUI:NVulnerable System
VC:HVI:NVA:HSubsequent System
SC:LSI:NSA:L6.1/CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:LMemory Safety