1 files changed, 4 insertions, 0 deletions
diff --git a/axfrdns.c b/axfrdns.c
index 85723c9..9fd6f9c 100644
--- a/axfrdns.c
+++ b/axfrdns.c
@@ -23,6 +23,7 @@
 #include "response.h"
 #include "ip6.h"
 #include "clientloc.h"
+#include "edns0.h"
 
 extern int respond(char *,char *,char *);
 
@@ -346,6 +347,9 @@ int main()
     if (byte_diff(qclass,2,DNS_C_IN) && byte_diff(qclass,2,DNS_C_ANY))
       strerr_die2x(111,FATAL,"bogus query: bad class");
 
+    pos = check_edns0(header, buf, len, pos);
+    if (!pos) die_truncated();
+
     qlog(ip,port,header,zone,qtype," ");
 
     if (byte_equal(qtype,2,DNS_T_AXFR)) {