diff --git a/Doc/library/dbm.rst b/Doc/library/dbm.rst
index 32e80b2cf6ed222..0150f5d5c6e8c33 100644
--- a/Doc/library/dbm.rst
+++ b/Doc/library/dbm.rst
@@ -347,6 +347,11 @@ The module defines the following:
    database has to be created.  It defaults to octal ``0o666`` (and will be modified
    by the prevailing umask).
 
+   .. warning::
+      It is possible to crash the Python interpreter when loading a database
+      with a sufficiently large/complex entry due to stack depth limitations in
+      Python's AST compiler.
+
    .. versionchanged:: 3.5
       :func:`.open` always creates a new database when the flag has the value
       ``'n'``.