diff --git a/os/utils.c b/os/utils.c
index cca1e8491..ca18f0765 100644
--- a/os/utils.c
+++ b/os/utils.c
@@ -1115,6 +1115,14 @@ set_font_authorizations(char **authorizations, int *authlen, void *client)
 
         len = strlen(hnameptr) + 1;
         result = malloc(len + sizeof(AUTHORIZATION_NAME) + 4);
+        if (result == NULL) {
+#if defined(HAVE_GETADDRINFO)
+            if (ai) {
+                freeaddrinfo(ai);
+            }
+#endif
+            return 0;
+        }
 
         p = result;
         *p++ = sizeof(AUTHORIZATION_NAME) >> 8;