diff --git a/src/api/types.ts b/src/api/types.ts
index ac4dbf0..29d7679 100644
--- a/src/api/types.ts
+++ b/src/api/types.ts
@@ -30,6 +30,14 @@ export interface V2RPMs {
   nvras: string[];
 }
 
+export interface V2Source {
+  name: string;
+  url: string;
+  vendor: string;
+  license: string;
+  licenseUrl: string;
+}
+
 export interface V2Advisory {
   id?: number;
   publishedAt?: string;
@@ -48,6 +56,7 @@ export interface V2Advisory {
   rpms?: Record<string, V2RPMs>;
   rebootSuggested?: boolean;
   buildReferences?: string[];
+  source?: V2Source | null;
 }
 
 export interface V2AdvisoryListResponse {
diff --git a/src/components/Root.tsx b/src/components/Root.tsx
index f014eef..9397afc 100644
--- a/src/components/Root.tsx
+++ b/src/components/Root.tsx
@@ -110,6 +110,17 @@ export const Root = () => {
           </Box>
           <span>RSS</span>
         </ChakraLink>
+        <Text fontSize="xs" my="auto" ml="auto" textAlign="right">
+          Advisory content derived from Red Hat, used under{" "}
+          <ChakraLink
+            href="https://creativecommons.org/licenses/by/4.0/"
+            isExternal
+            textDecoration="underline"
+          >
+            CC BY 4.0
+          </ChakraLink>
+          , with modifications.
+        </Text>
       </Box>
     </Box>
   );
diff --git a/src/components/ShowErrata.tsx b/src/components/ShowErrata.tsx
index e2b0c04..e4c5f4b 100644
--- a/src/components/ShowErrata.tsx
+++ b/src/components/ShowErrata.tsx
@@ -125,6 +125,29 @@ export const ShowErrata = () => {
                   </Text>
                 </HStack>
                 <Text fontSize="sm">{errata.synopsis}</Text>
+                {errata.source && (
+                  <Text fontSize="xs" mt={1} color="gray.500">
+                    Source:{" "}
+                    <Link
+                      href={errata.source.url}
+                      isExternal
+                      color={linkBlue}
+                      _visited={{ color: linkPurple }}
+                    >
+                      {errata.source.vendor} {errata.source.name}
+                    </Link>
+                    , used under{" "}
+                    <Link
+                      href={errata.source.licenseUrl}
+                      isExternal
+                      color={linkBlue}
+                      _visited={{ color: linkPurple }}
+                    >
+                      {errata.source.license}
+                    </Link>
+                    , with modifications.
+                  </Text>
+                )}
               </VStack>
             </HStack>
             <Tabs backgroundColor={cardBg} p="2">