diff --git a/config/checker_profile_map.json b/config/checker_profile_map.json
index 960584cf13..190799b236 100644
--- a/config/checker_profile_map.json
+++ b/config/checker_profile_map.json
@@ -243,6 +243,7 @@
         "misc-misplaced-widening"
       ],
       "extreme": [
+        "alpha.security.MallocOverflow",
         "boost",
         "bugprone",
         "cert",