A flaw was found Go's net/http package. Servers using ReverseProxy from net/http in the Go standard library are vulnerable to a data race that results in a denial of service. The highest threat from this vulnerability is to system availability.

Go could allow a remote attacker to bypass security restrictions, caused by improper validation on the VerifyOptions.KeyUsages EKU requirements during the X.509 certificate verification. An attacker could exploit this vulnerability to gain access to the system.