1 files changed, 5 insertions, 0 deletions
diff --git a/memcached.c b/memcached.c
index 584bff1..6623dec 100644
--- a/memcached.c
+++ b/memcached.c
@@ -5730,6 +5730,11 @@ int main (int argc, char **argv) {
         settings.port = settings.udpport;
     }
 
+    if (settings.port > 65535) {
+        fprintf(stderr, "ERROR: Invalid port number %d.\n", settings.port);
+        exit(EX_USAGE);
+    }
+
 
 #ifdef TLS
     /*