From e8ec7382afe0a1ca80dd043e8e5b8bdb11b978ca Mon Sep 17 00:00:00 2001
From: Matthew Toro <matthewtoro@live.com>
Date: Sun, 29 Mar 2026 16:39:12 -0400
Subject: [PATCH] fixed a potential memory leak. oopsie!

---
 Minecraft.Client/AuthScreen.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Minecraft.Client/AuthScreen.cpp b/Minecraft.Client/AuthScreen.cpp
index 706d454b..463e07f9 100644
--- a/Minecraft.Client/AuthScreen.cpp
+++ b/Minecraft.Client/AuthScreen.cpp
@@ -28,8 +28,10 @@ void AuthProfileManager::load()
 		auto readWstr = [&file]() -> wstring {
 			uint16_t len = 0;
 			file.read(reinterpret_cast<char *>(&len), sizeof(len));
+			if (!file || len > 4096) return {};
 			wstring s(len, L'\0');
 			file.read(reinterpret_cast<char *>(s.data()), len * sizeof(wchar_t));
+			if (!file) return {};
 			return s;
 		};