diff --git a/2021/23xxx/CVE-2021-23961.json b/2021/23xxx/CVE-2021-23961.json
index 1dd122dc321..a99fc1303d2 100644
--- a/2021/23xxx/CVE-2021-23961.json
+++ b/2021/23xxx/CVE-2021-23961.json
@@ -63,6 +63,11 @@
                 "refsource": "MLIST",
                 "name": "[debian-lts-announce] 20210422 [SECURITY] [DLA 2632-1] thunderbird security update",
                 "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html"
+            },
+            {
+                "refsource": "DEBIAN",
+                "name": "DSA-4897",
+                "url": "https://www.debian.org/security/2021/dsa-4897"
             }
         ]
     },
diff --git a/2021/29xxx/CVE-2021-29447.json b/2021/29xxx/CVE-2021-29447.json
index 70b802b29f4..d58d980d51e 100644
--- a/2021/29xxx/CVE-2021-29447.json
+++ b/2021/29xxx/CVE-2021-29447.json
@@ -83,6 +83,11 @@
                 "refsource": "MLIST",
                 "name": "[debian-lts-announce] 20210421 [SECURITY] [DLA 2630-1] wordpress security update",
                 "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00017.html"
+            },
+            {
+                "refsource": "DEBIAN",
+                "name": "DSA-4896",
+                "url": "https://www.debian.org/security/2021/dsa-4896"
             }
         ]
     },
diff --git a/2021/29xxx/CVE-2021-29450.json b/2021/29xxx/CVE-2021-29450.json
index 08d9fe072d7..b6b52240a88 100644
--- a/2021/29xxx/CVE-2021-29450.json
+++ b/2021/29xxx/CVE-2021-29450.json
@@ -83,6 +83,11 @@
                 "refsource": "MLIST",
                 "name": "[debian-lts-announce] 20210421 [SECURITY] [DLA 2630-1] wordpress security update",
                 "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00017.html"
+            },
+            {
+                "refsource": "DEBIAN",
+                "name": "DSA-4896",
+                "url": "https://www.debian.org/security/2021/dsa-4896"
             }
         ]
     },