diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-01-13-19-31-56.gh-issue-143807.H5KP1C.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-01-13-19-31-56.gh-issue-143807.H5KP1C.rst
new file mode 100644
index 00000000000000..eb1a74ce784e7e
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-01-13-19-31-56.gh-issue-143807.H5KP1C.rst
@@ -0,0 +1 @@
+Place a limit on the number of JIT executors.
diff --git a/Python/optimizer.c b/Python/optimizer.c
index 79ac179d0b710a..8469966e379b98 100644
--- a/Python/optimizer.c
+++ b/Python/optimizer.c
@@ -72,6 +72,9 @@ get_index_for_executor(PyCodeObject *code, _Py_CODEUNIT *instr)
     }
     assert(size <= capacity);
     if (size == capacity) {
+        if (capacity * 2 >= MAX_EXECUTORS_SIZE) {
+            return -1;
+        }
         /* Array is full. Grow array */
         int new_capacity = capacity ? capacity * 2 : 4;
         _PyExecutorArray *new = PyMem_Realloc(