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Reject malformed network packets

Changes0.2.0 (in development)

FixedPlanned for 0.2.0

A multiplayer packet that is malformed, too large, cut short, or sent from an address other than its player’s is now dropped before it changes any player’s connection or queues a command. A packet shorter than its header used to be read past its end, and a frame report from an unknown address that named a player moved that player’s connection to the new address.

Rampastring is credited for the Vinifera fixes against crafted network requests this follows.

Credit: ZivDero, Rampastring