diff --git a/2018/16xxx/CVE-2018-16888.json b/2018/16xxx/CVE-2018-16888.json
index 3dbb0417b9d..596765b4fbd 100644
--- a/2018/16xxx/CVE-2018-16888.json
+++ b/2018/16xxx/CVE-2018-16888.json
@@ -81,6 +81,11 @@
                 "refsource": "MLIST",
                 "name": "[cassandra-user] 20190809 cassandra does not start with new systemd version",
                 "url": "https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74@%3Cuser.cassandra.apache.org%3E"
+            },
+            {
+                "refsource": "UBUNTU",
+                "name": "USN-4269-1",
+                "url": "https://usn.ubuntu.com/4269-1/"
             }
         ]
     }
diff --git a/2019/19xxx/CVE-2019-19921.json b/2019/19xxx/CVE-2019-19921.json
index ab0f2500266..1d6e27e7891 100644
--- a/2019/19xxx/CVE-2019-19921.json
+++ b/2019/19xxx/CVE-2019-19921.json
@@ -71,6 +71,11 @@
                 "refsource": "MISC",
                 "name": "https://github.com/opencontainers/runc/pull/2190",
                 "url": "https://github.com/opencontainers/runc/pull/2190"
+            },
+            {
+                "refsource": "SUSE",
+                "name": "openSUSE-SU-2020:0219",
+                "url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00018.html"
             }
         ]
     }
diff --git a/2019/20xxx/CVE-2019-20386.json b/2019/20xxx/CVE-2019-20386.json
index cbd5c4e48b8..6c96656a43d 100644
--- a/2019/20xxx/CVE-2019-20386.json
+++ b/2019/20xxx/CVE-2019-20386.json
@@ -66,6 +66,11 @@
                 "refsource": "SUSE",
                 "name": "openSUSE-SU-2020:0208",
                 "url": "http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00014.html"
+            },
+            {
+                "refsource": "UBUNTU",
+                "name": "USN-4269-1",
+                "url": "https://usn.ubuntu.com/4269-1/"
             }
         ]
     }
diff --git a/2019/3xxx/CVE-2019-3843.json b/2019/3xxx/CVE-2019-3843.json
index 80d24846ade..ef3227dc6e9 100644
--- a/2019/3xxx/CVE-2019-3843.json
+++ b/2019/3xxx/CVE-2019-3843.json
@@ -63,6 +63,11 @@
                 "refsource": "CONFIRM",
                 "name": "https://security.netapp.com/advisory/ntap-20190619-0002/",
                 "url": "https://security.netapp.com/advisory/ntap-20190619-0002/"
+            },
+            {
+                "refsource": "UBUNTU",
+                "name": "USN-4269-1",
+                "url": "https://usn.ubuntu.com/4269-1/"
             }
         ]
     },
diff --git a/2019/3xxx/CVE-2019-3844.json b/2019/3xxx/CVE-2019-3844.json
index 95834fcd0ee..bc296f1a19f 100644
--- a/2019/3xxx/CVE-2019-3844.json
+++ b/2019/3xxx/CVE-2019-3844.json
@@ -58,6 +58,11 @@
                 "refsource": "CONFIRM",
                 "name": "https://security.netapp.com/advisory/ntap-20190619-0002/",
                 "url": "https://security.netapp.com/advisory/ntap-20190619-0002/"
+            },
+            {
+                "refsource": "UBUNTU",
+                "name": "USN-4269-1",
+                "url": "https://usn.ubuntu.com/4269-1/"
             }
         ]
     },