From bda3b1078ac357b805156a8802a0649f7021716e Mon Sep 17 00:00:00 2001 From: Loki Date: Mon, 9 Mar 2026 06:53:08 -0500 Subject: Port over RCE Patches from LCEMP (#1023) * LCEMP RCE Fixes WIP Based on https://github.com/LCEMP/LCEMP/commit/d017bfc30a68888bf5c79b23cf5c4f607cf828bf * Update to LCEMP's ByteArrayIO version Fixes compilation since ours was missing some revisions from LCEMP * Add additional safety checks missed in first pass * Remove duplicate recipe count check --- Minecraft.Client/Windows64/Network/WinsockNetLayer.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Minecraft.Client/Windows64/Network') diff --git a/Minecraft.Client/Windows64/Network/WinsockNetLayer.cpp b/Minecraft.Client/Windows64/Network/WinsockNetLayer.cpp index e82118cd..28d29504 100644 --- a/Minecraft.Client/Windows64/Network/WinsockNetLayer.cpp +++ b/Minecraft.Client/Windows64/Network/WinsockNetLayer.cpp @@ -404,7 +404,7 @@ bool WinsockNetLayer::JoinGame(const char* ip, int port) bool WinsockNetLayer::SendOnSocket(SOCKET sock, const void* data, int dataSize) { - if (sock == INVALID_SOCKET || dataSize <= 0) return false; + if (sock == INVALID_SOCKET || dataSize <= 0 || dataSize > WIN64_NET_MAX_PACKET_SIZE) return false; // TODO: s_sendLock is a single global lock for ALL sockets. If one client's // send() blocks (TCP window full, slow WiFi), every other write thread stalls -- cgit v1.2.3