From 3357ef753871b394b825d15429ceb27b26e24d63 Mon Sep 17 00:00:00 2001
From: Alexander Fenster <fenster@google.com>
Date: Fri, 20 May 2022 11:08:37 -0700
Subject: [PATCH] fix: do not let setProperty change the prototype (#1731)

---
 src/util.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/util.js b/src/util.js
index 5ae88cc7f..c39d33a6a 100644
--- a/src/util.js
+++ b/src/util.js
@@ -176,6 +176,9 @@ util.decorateEnum = function decorateEnum(object) {
 util.setProperty = function setProperty(dst, path, value) {
     function setProp(dst, path, value) {
         var part = path.shift();
+        if (part === "__proto__") {
+          return dst;
+        }
         if (path.length > 0) {
             dst[part] = setProp(dst[part] || {}, path, value);
         } else {