--- telnet/utilities.c	1999-04-07 21:15:12.000000000 +0200
+++ telnet/utilities.c.oden	2009-10-05 15:18:13.000000000 +0200
@@ -765,7 +765,7 @@ printsub(char direction, unsigned char *
 				    fprintf(NetTrace, "\" VAR " + noquote);
 			    } else
 #endif /* OLD_ENVIRON */
-				fprintf(NetTrace, "\" VALUE " + noquote);
+				fprintf(NetTrace, "%s", "\" VALUE " + noquote);
 			    noquote = 2;
 			    break;
 
@@ -775,23 +775,23 @@ printsub(char direction, unsigned char *
 			    if (pointer[0] == TELOPT_OLD_ENVIRON) {
 # ifdef	ENV_HACK
 				if (old_env_value == OLD_ENV_VAR)
-				    fprintf(NetTrace, "\" (VAR) " + noquote);
+				    fprintf(NetTrace, "%s", "\" (VAR) " + noquote);
 				else
 # endif
-				    fprintf(NetTrace, "\" VALUE " + noquote);
+				    fprintf(NetTrace, "%s", "\" VALUE " + noquote);
 			    } else
 #endif /* OLD_ENVIRON */
-				fprintf(NetTrace, "\" VAR " + noquote);
+				fprintf(NetTrace, "%s", "\" VAR " + noquote);
 			    noquote = 2;
 			    break;
 
 			case ENV_ESC:
-			    fprintf(NetTrace, "\" ESC " + noquote);
+			    fprintf(NetTrace, "%s", "\" ESC " + noquote);
 			    noquote = 2;
 			    break;
 
 			case ENV_USERVAR:
-			    fprintf(NetTrace, "\" USERVAR " + noquote);
+			    fprintf(NetTrace, "%s", "\" USERVAR " + noquote);
 			    noquote = 2;
 			    break;
 
--- telnetd/utility.c	2009-10-05 15:20:35.000000000 +0200
+++ telnetd/utility.c.oden	2009-10-05 15:23:23.000000000 +0200
@@ -973,17 +973,17 @@ printsub(char direction, unsigned char *
 			case ENV_VAR:
 			    if (pointer[1] == TELQUAL_SEND)
 				goto def_case;
-			    netoprintf("\" VAR " + noquote);
+			    netoprintf("%s", "\" VAR " + noquote);
 			    noquote = 2;
 			    break;
 
 			case ENV_VALUE:
-			    netoprintf("\" VALUE " + noquote);
+			    netoprintf("%s", "\" VALUE " + noquote);
 			    noquote = 2;
 			    break;
 
 			case ENV_ESC:
-			    netoprintf("\" ESC " + noquote);
+			    netoprintf("%s", "\" ESC " + noquote);
 			    noquote = 2;
 			    break;