From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Luna <lunahatesgogle@gmail.com>
Date: Mon, 29 May 2023 19:34:50 -0300
Subject: [PATCH] Fix component extra empty array exploit


diff --git a/src/main/java/net/minecraft/network/chat/Component.java b/src/main/java/net/minecraft/network/chat/Component.java
index 534f1e6092d2b64b6e6e3182eac0cc38718ab2f8..7fcab29427ea030c0d9dcb6ce237b67d98420b55 100644
--- a/src/main/java/net/minecraft/network/chat/Component.java
+++ b/src/main/java/net/minecraft/network/chat/Component.java
@@ -322,6 +322,11 @@ public interface Component extends Message, FormattedText, Iterable<Component> {
                 if (!jsonelement.isJsonObject()) {
                     if (jsonelement.isJsonArray()) {
                         JsonArray jsonarray = jsonelement.getAsJsonArray();
+                        // Scissors start
+                        if (jsonarray.size() <= 0) {
+                            throw new JsonParseException("Unexpected empty array of components");
+                        }
+                        // Scissors end
 
                         ichatmutablecomponent = null;
                         Iterator iterator = jsonarray.iterator();