diff --git a/2021/3xxx/CVE-2021-3326.json b/2021/3xxx/CVE-2021-3326.json
index 608ee58d6aa..68ce4cfae2e 100644
--- a/2021/3xxx/CVE-2021-3326.json
+++ b/2021/3xxx/CVE-2021-3326.json
@@ -61,6 +61,11 @@
                 "url": "https://sourceware.org/git/?p=glibc.git;a=commit;h=7d88c6142c6efc160c0ee5e4f85cde382c072888",
                 "refsource": "MISC",
                 "name": "https://sourceware.org/git/?p=glibc.git;a=commit;h=7d88c6142c6efc160c0ee5e4f85cde382c072888"
+            },
+            {
+                "refsource": "MLIST",
+                "name": "[oss-security] 20210128 Re: glibc iconv crash with ISO-2022-JP-3",
+                "url": "http://www.openwall.com/lists/oss-security/2021/01/28/2"
             }
         ]
     }
diff --git a/2021/3xxx/CVE-2021-3340.json b/2021/3xxx/CVE-2021-3340.json
new file mode 100644
index 00000000000..fc8b479794d
--- /dev/null
+++ b/2021/3xxx/CVE-2021-3340.json
@@ -0,0 +1,18 @@
+{
+    "data_type": "CVE",
+    "data_format": "MITRE",
+    "data_version": "4.0",
+    "CVE_data_meta": {
+        "ID": "CVE-2021-3340",
+        "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