OpenJDK: Missing restrictions on use of custom SocketImpl (Networking, 8218573)

Vulnerability in the Java SE, Java SE Embedded product of Oracle Java SE component: Networking. Supported versions that are affected are Java SE: 7u231, 8u221, 11.0.4 and 13; Java SE Embedded: 8u221. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multip...