diff --git a/2020/5xxx/CVE-2020-5529.json b/2020/5xxx/CVE-2020-5529.json
index 06f337f5a53..3b39d991993 100644
--- a/2020/5xxx/CVE-2020-5529.json
+++ b/2020/5xxx/CVE-2020-5529.json
@@ -71,6 +71,11 @@
                 "refsource": "MLIST",
                 "name": "[debian-lts-announce] 20200815 [SECURITY] [DLA 2326-1] htmlunit security update",
                 "url": "https://lists.debian.org/debian-lts-announce/2020/08/msg00023.html"
+            },
+            {
+                "refsource": "UBUNTU",
+                "name": "USN-4584-1",
+                "url": "https://usn.ubuntu.com/4584-1/"
             }
         ]
     }