--- squid/src/snmp_core.cc 2014-06-25 16:41:39.000000000 +0200
+++ squid/src/snmp_core.cc 2014-09-09 11:52:13.237394779 +0200
@@ -375,12 +375,11 @@
 
     len = comm_udp_recvfrom(sock,
                             buf,
-                            SNMP_REQUEST_SIZE,
+                            SNMP_REQUEST_SIZE - 1,
                             0,
                             from);
 
     if (len > 0) {
-        buf[len] = '\0';
         debugs(49, 3, "snmpHandleUdp: FD " << sock << ": received " << len << " bytes from " << from << ".");
 
         snmp_rq = (SnmpRequest *)xcalloc(1, sizeof(SnmpRequest));