1 files changed, 3 insertions, 0 deletions
diff --git a/src/keystore.cpp b/src/keystore.cpp
index 46402ea25b..594e0c61da 100644
--- a/src/keystore.cpp
+++ b/src/keystore.cpp
@@ -33,6 +33,9 @@ bool CBasicKeyStore::AddKeyPubKey(const CKey& key, const CPubKey &pubkey)
 
 bool CBasicKeyStore::AddCScript(const CScript& redeemScript)
 {
+    if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
+        return error("CBasicKeyStore::AddCScript() : redeemScripts > %i bytes are invalid", MAX_SCRIPT_ELEMENT_SIZE);
+
     LOCK(cs_KeyStore);
     mapScripts[redeemScript.GetID()] = redeemScript;
     return true;