diff --git a/2018/4xxx/CVE-2018-4187.json b/2018/4xxx/CVE-2018-4187.json
index 0683c204c40..d6feb48b275 100644
--- a/2018/4xxx/CVE-2018-4187.json
+++ b/2018/4xxx/CVE-2018-4187.json
@@ -76,6 +76,11 @@
                 "name": "103958",
                 "refsource": "BID",
                 "url": "http://www.securityfocus.com/bid/103958"
+            },
+            {
+                "refsource": "CONFIRM",
+                "name": "https://support.apple.com/kb/HT209193",
+                "url": "https://support.apple.com/kb/HT209193"
             }
         ]
     }