diff --git a/2021/2xxx/CVE-2021-2389.json b/2021/2xxx/CVE-2021-2389.json
index 28849563144..6451e288610 100644
--- a/2021/2xxx/CVE-2021-2389.json
+++ b/2021/2xxx/CVE-2021-2389.json
@@ -68,6 +68,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-880/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-880/"
             }
         ]
     }
diff --git a/2021/2xxx/CVE-2021-2390.json b/2021/2xxx/CVE-2021-2390.json
index f0724ec0907..fc028d5a5ab 100644
--- a/2021/2xxx/CVE-2021-2390.json
+++ b/2021/2xxx/CVE-2021-2390.json
@@ -68,6 +68,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-881/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-881/"
             }
         ]
     }
diff --git a/2021/2xxx/CVE-2021-2391.json b/2021/2xxx/CVE-2021-2391.json
index 347abb6ae3d..44b4dd5473a 100644
--- a/2021/2xxx/CVE-2021-2391.json
+++ b/2021/2xxx/CVE-2021-2391.json
@@ -80,6 +80,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-882/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-882/"
             }
         ]
     }
diff --git a/2021/2xxx/CVE-2021-2392.json b/2021/2xxx/CVE-2021-2392.json
index 1b855fe77ff..2fd91074ef5 100644
--- a/2021/2xxx/CVE-2021-2392.json
+++ b/2021/2xxx/CVE-2021-2392.json
@@ -80,6 +80,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-883/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-883/"
             }
         ]
     }
diff --git a/2021/2xxx/CVE-2021-2396.json b/2021/2xxx/CVE-2021-2396.json
index ec73acc10ab..4b691f4ee43 100644
--- a/2021/2xxx/CVE-2021-2396.json
+++ b/2021/2xxx/CVE-2021-2396.json
@@ -76,6 +76,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-884/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-884/"
             }
         ]
     }
diff --git a/2021/2xxx/CVE-2021-2400.json b/2021/2xxx/CVE-2021-2400.json
index 075f1c9927c..16db20a1719 100644
--- a/2021/2xxx/CVE-2021-2400.json
+++ b/2021/2xxx/CVE-2021-2400.json
@@ -76,6 +76,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-886/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-886/"
             }
         ]
     }
diff --git a/2021/2xxx/CVE-2021-2401.json b/2021/2xxx/CVE-2021-2401.json
index face3681e43..21cc2c7389c 100644
--- a/2021/2xxx/CVE-2021-2401.json
+++ b/2021/2xxx/CVE-2021-2401.json
@@ -76,6 +76,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-887/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-887/"
             }
         ]
     }
diff --git a/2021/2xxx/CVE-2021-2409.json b/2021/2xxx/CVE-2021-2409.json
index 7a24dd45d4e..41ea29669db 100644
--- a/2021/2xxx/CVE-2021-2409.json
+++ b/2021/2xxx/CVE-2021-2409.json
@@ -64,6 +64,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-888/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-888/"
             }
         ]
     }
diff --git a/2021/2xxx/CVE-2021-2429.json b/2021/2xxx/CVE-2021-2429.json
index 7be763e04fa..f7f6d7006fb 100644
--- a/2021/2xxx/CVE-2021-2429.json
+++ b/2021/2xxx/CVE-2021-2429.json
@@ -64,6 +64,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-889/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-889/"
             }
         ]
     }
diff --git a/2021/2xxx/CVE-2021-2456.json b/2021/2xxx/CVE-2021-2456.json
index 66231ce01d1..ea3e9c48e6b 100644
--- a/2021/2xxx/CVE-2021-2456.json
+++ b/2021/2xxx/CVE-2021-2456.json
@@ -64,6 +64,11 @@
                 "url": "https://www.oracle.com/security-alerts/cpujul2021.html",
                 "refsource": "MISC",
                 "name": "https://www.oracle.com/security-alerts/cpujul2021.html"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-885/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-885/"
             }
         ]
     }
diff --git a/2021/32xxx/CVE-2021-32635.json b/2021/32xxx/CVE-2021-32635.json
index 616ae7590d2..56b7204981e 100644
--- a/2021/32xxx/CVE-2021-32635.json
+++ b/2021/32xxx/CVE-2021-32635.json
@@ -86,6 +86,11 @@
                 "name": "https://github.com/sylabs/singularity/releases/tag/v3.7.4",
                 "refsource": "MISC",
                 "url": "https://github.com/sylabs/singularity/releases/tag/v3.7.4"
+            },
+            {
+                "refsource": "GENTOO",
+                "name": "GLSA-202107-50",
+                "url": "https://security.gentoo.org/glsa/202107-50"
             }
         ]
     },
diff --git a/2021/3xxx/CVE-2021-3658.json b/2021/3xxx/CVE-2021-3658.json
new file mode 100644
index 00000000000..f394e10a36e
--- /dev/null
+++ b/2021/3xxx/CVE-2021-3658.json
@@ -0,0 +1,18 @@
+{
+    "data_type": "CVE",
+    "data_format": "MITRE",
+    "data_version": "4.0",
+    "CVE_data_meta": {
+        "ID": "CVE-2021-3658",
+        "ASSIGNER": "cve@mitre.org",
+        "STATE": "RESERVED"
+    },
+    "description": {
+        "description_data": [
+            {
+                "lang": "eng",
+                "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/2021/3xxx/CVE-2021-3659.json b/2021/3xxx/CVE-2021-3659.json
new file mode 100644
index 00000000000..38df9650424
--- /dev/null
+++ b/2021/3xxx/CVE-2021-3659.json
@@ -0,0 +1,18 @@
+{
+    "data_type": "CVE",
+    "data_format": "MITRE",
+    "data_version": "4.0",
+    "CVE_data_meta": {
+        "ID": "CVE-2021-3659",
+        "ASSIGNER": "cve@mitre.org",
+        "STATE": "RESERVED"
+    },
+    "description": {
+        "description_data": [
+            {
+                "lang": "eng",
+                "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
+            }
+        ]
+    }
+}
\ No newline at end of file