Minimum header size is 12 bytes

mwarning · Mar 24, 2024 · 6f5f9d4 · 6f5f9d4
1 parent 81cc8c5
commit 6f5f9d4
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/main.c b/main.c
@@ -420,6 +420,9 @@ bool decode_msg(struct Message *msg, const uint8_t *buffer, size_t size)
 {
   int i;
 
+  if (size < 12)
+    return false;
+
   decode_header(msg, &buffer);
 
   if (msg->anCount != 0 || msg->nsCount != 0) {