From f6213929c519d0e615cacd3d6f479f1517be1662 Mon Sep 17 00:00:00 2001
From: Fabian Jahr <fjahr@protonmail.com>
Date: Thu, 19 Oct 2023 15:49:04 +0200
Subject: [PATCH] assumeutxo: Check deserialized coins for out of range values

---
 src/validation.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/validation.cpp b/src/validation.cpp
index 2600f0f9fe7..a6cab6b0954 100644
--- a/src/validation.cpp
+++ b/src/validation.cpp
@@ -5399,6 +5399,11 @@ bool ChainstateManager::PopulateAndValidateSnapshot(
                       coins_count - coins_left);
             return false;
         }
+        if (!MoneyRange(coin.out.nValue)) {
+            LogPrintf("[snapshot] bad snapshot data after deserializing %d coins - bad tx out value\n",
+                      coins_count - coins_left);
+            return false;
+        }
 
         coins_cache.EmplaceCoinInternalDANGER(std::move(outpoint), std::move(coin));