diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c
index 9993e4b19d..ada77d26de 100644
--- a/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c
+++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/BdsMisc.c
@@ -739,9 +739,11 @@ BdsLibVariableToOption (
   }
 
   FreePool (Variable);
+  FreePool (Option->Description);
+  FreePool (Option->DevicePath);
+  FreePool (Option->LoadOptions);
   FreePool (Option);
   return NULL;
-
 }
 
 /**
diff --git a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
index 2419b7c4a8..117569fa62 100644
--- a/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
+++ b/MdeModulePkg/Universal/Console/GraphicsConsoleDxe/GraphicsConsole.c
@@ -758,6 +758,7 @@ CheckModeSupported (
           //
           // If video device has been set to this mode, we do not need to SetMode again
           //
+          FreePool (Info);
           break;
         } else {
           Status = GraphicsOutput->SetMode (GraphicsOutput, ModeNumber);
diff --git a/MdeModulePkg/Universal/HiiDatabaseDxe/String.c b/MdeModulePkg/Universal/HiiDatabaseDxe/String.c
index 52d348c572..a76e5b64c9 100644
--- a/MdeModulePkg/Universal/HiiDatabaseDxe/String.c
+++ b/MdeModulePkg/Universal/HiiDatabaseDxe/String.c
@@ -2028,6 +2028,8 @@ HiiCompareLanguage (
       //
       // Return FALSE if any characters are different.
       //
+      FreePool (Lan1);
+      FreePool (Lan2);
       return FALSE;
     }
   }