diff --git a/2020/27xxx/CVE-2020-27670.json b/2020/27xxx/CVE-2020-27670.json
index 2c90a19ecba..6e2dbd22809 100644
--- a/2020/27xxx/CVE-2020-27670.json
+++ b/2020/27xxx/CVE-2020-27670.json
@@ -81,6 +81,11 @@
                 "refsource": "DEBIAN",
                 "name": "DSA-4804",
                 "url": "https://www.debian.org/security/2020/dsa-4804"
+            },
+            {
+                "refsource": "MLIST",
+                "name": "[oss-security] 20210119 Xen Security Advisory 347 v3 (CVE-2020-27670) - unsafe AMD IOMMU page table updates",
+                "url": "http://www.openwall.com/lists/oss-security/2021/01/19/9"
             }
         ]
     }
diff --git a/2020/27xxx/CVE-2020-27671.json b/2020/27xxx/CVE-2020-27671.json
index e2229bb8adc..fdd922dbe87 100644
--- a/2020/27xxx/CVE-2020-27671.json
+++ b/2020/27xxx/CVE-2020-27671.json
@@ -81,6 +81,11 @@
                 "refsource": "DEBIAN",
                 "name": "DSA-4804",
                 "url": "https://www.debian.org/security/2020/dsa-4804"
+            },
+            {
+                "refsource": "MLIST",
+                "name": "[oss-security] 20210119 Xen Security Advisory 346 v3 (CVE-2020-27671) - undue deferral of IOMMU TLB flushes",
+                "url": "http://www.openwall.com/lists/oss-security/2021/01/19/8"
             }
         ]
     }
diff --git a/2020/27xxx/CVE-2020-27672.json b/2020/27xxx/CVE-2020-27672.json
index 8f434406107..ba1d605f4b0 100644
--- a/2020/27xxx/CVE-2020-27672.json
+++ b/2020/27xxx/CVE-2020-27672.json
@@ -81,6 +81,11 @@
                 "refsource": "DEBIAN",
                 "name": "DSA-4804",
                 "url": "https://www.debian.org/security/2020/dsa-4804"
+            },
+            {
+                "refsource": "MLIST",
+                "name": "[oss-security] 20210119 Xen Security Advisory 345 v4 (CVE-2020-27672) - x86: Race condition in Xen mapping code",
+                "url": "http://www.openwall.com/lists/oss-security/2021/01/19/7"
             }
         ]
     }
diff --git a/2020/27xxx/CVE-2020-27673.json b/2020/27xxx/CVE-2020-27673.json
index 9e5e4b3483d..815cef3211f 100644
--- a/2020/27xxx/CVE-2020-27673.json
+++ b/2020/27xxx/CVE-2020-27673.json
@@ -91,6 +91,11 @@
                 "refsource": "MLIST",
                 "name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update",
                 "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
+            },
+            {
+                "refsource": "MLIST",
+                "name": "[oss-security] 20210119 Xen Security Advisory 332 v4 (CVE-2020-27673) - Rogue guests can cause DoS of Dom0 via high frequency events",
+                "url": "http://www.openwall.com/lists/oss-security/2021/01/19/6"
             }
         ]
     }
diff --git a/2020/27xxx/CVE-2020-27674.json b/2020/27xxx/CVE-2020-27674.json
index cf2ab5601a7..357e126a0d0 100644
--- a/2020/27xxx/CVE-2020-27674.json
+++ b/2020/27xxx/CVE-2020-27674.json
@@ -81,6 +81,11 @@
                 "refsource": "DEBIAN",
                 "name": "DSA-4804",
                 "url": "https://www.debian.org/security/2020/dsa-4804"
+            },
+            {
+                "refsource": "MLIST",
+                "name": "[oss-security] 20210119 Xen Security Advisory 286 v6 (CVE-2020-27674) - x86 PV guest INVLPG-like flushes may leave stale TLB entries",
+                "url": "http://www.openwall.com/lists/oss-security/2021/01/19/5"
             }
         ]
     }
diff --git a/2020/27xxx/CVE-2020-27675.json b/2020/27xxx/CVE-2020-27675.json
index 24fdf24b818..214aa6eae4c 100644
--- a/2020/27xxx/CVE-2020-27675.json
+++ b/2020/27xxx/CVE-2020-27675.json
@@ -96,6 +96,11 @@
                 "refsource": "MLIST",
                 "name": "[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update",
                 "url": "https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html"
+            },
+            {
+                "refsource": "MLIST",
+                "name": "[oss-security] 20210119 Xen Security Advisory 331 v3 (CVE-2020-27675) - Race condition in Linux event handler may crash dom0",
+                "url": "http://www.openwall.com/lists/oss-security/2021/01/19/3"
             }
         ]
     }
diff --git a/2020/28xxx/CVE-2020-28208.json b/2020/28xxx/CVE-2020-28208.json
index e626065d1ab..bd92b9a3e20 100644
--- a/2020/28xxx/CVE-2020-28208.json
+++ b/2020/28xxx/CVE-2020-28208.json
@@ -86,6 +86,11 @@
                 "refsource": "MLIST",
                 "name": "[oss-security] 20210113 Re: Trovent Security Advisory 2010-01 [updated] / CVE-2020-28208: Rocket.Chat email address enumeration vulnerability",
                 "url": "http://www.openwall.com/lists/oss-security/2021/01/13/1"
+            },
+            {
+                "refsource": "FULLDISC",
+                "name": "20210119 Re: Trovent Security Advisory 2010-01 [updated] / CVE-2020-28208: Rocket.Chat email address enumeration vulnerability",
+                "url": "http://seclists.org/fulldisclosure/2021/Jan/43"
             }
         ]
     }
diff --git a/2020/29xxx/CVE-2020-29040.json b/2020/29xxx/CVE-2020-29040.json
index f3c87629bb3..bce37003be6 100644
--- a/2020/29xxx/CVE-2020-29040.json
+++ b/2020/29xxx/CVE-2020-29040.json
@@ -56,6 +56,11 @@
                 "url": "https://xenbits.xen.org/xsa/advisory-355.html",
                 "refsource": "MISC",
                 "name": "https://xenbits.xen.org/xsa/advisory-355.html"
+            },
+            {
+                "refsource": "MLIST",
+                "name": "[oss-security] 20210119 Xen Security Advisory 355 v3 (CVE-2020-29040) - stack corruption from XSA-346 change",
+                "url": "http://www.openwall.com/lists/oss-security/2021/01/19/4"
             }
         ]
     }
diff --git a/2021/3xxx/CVE-2021-3181.json b/2021/3xxx/CVE-2021-3181.json
index 0dcd674d00e..e963456562e 100644
--- a/2021/3xxx/CVE-2021-3181.json
+++ b/2021/3xxx/CVE-2021-3181.json
@@ -71,6 +71,11 @@
                 "url": "https://gitlab.com/muttmua/mutt/-/commit/d4305208955c5cdd9fe96dfa61e7c1e14e176a14",
                 "refsource": "MISC",
                 "name": "https://gitlab.com/muttmua/mutt/-/commit/d4305208955c5cdd9fe96dfa61e7c1e14e176a14"
+            },
+            {
+                "refsource": "MLIST",
+                "name": "[oss-security] 20210119 Re: mutt recipient parsing memory leak",
+                "url": "http://www.openwall.com/lists/oss-security/2021/01/19/10"
             }
         ]
     }