diff -ur bsd-finger-0.17/finger/util.c bsd-finger-0.17-fixed/finger/util.c
--- bsd-finger-0.17/finger/util.c	1999-09-29 00:53:58.000000000 +0200
+++ bsd-finger-0.17-fixed/finger/util.c	2003-11-30 06:19:35.000000000 +0100
@@ -147,9 +147,16 @@
 			}
 		}
 		rname[j] = 0;
-
-		pn->realname = rname;
 	}
+	else {
+		if (!(rname = (char *) malloc(sizeof(char)))) {
+			eprintf("finger: Out of space.\n");
+			exit(1);
+		}
+		rname[0] = 0;
+	}
+
+	pn->realname = rname;
 
 	pn->office =      fields[1] ? strdup(fields[1]) : NULL;
 	pn->officephone = fields[2] ? strdup(fields[2]) : NULL;