http://secunia.com/advisories/26241/
http://www.bugtraq.ir/adv/t1lib.txt
https://bugs.gentoo.org/193437

diff -Naur t1lib-5.0.2-orig/lib/t1lib/t1env.c t1lib-5.0.2/lib/t1lib/t1env.c
--- t1lib-5.0.2-orig/lib/t1lib/t1env.c	2002-11-27 19:53:11.000000000 -0600
+++ t1lib-5.0.2/lib/t1lib/t1env.c	2007-09-22 12:57:01.000000000 -0600
@@ -568,6 +568,12 @@
 #endif 
     strcat( pathbuf, DIRECTORY_SEP);
     /* And finally the filename: */
+	/* If current pathbuf + StrippedName + 1 byte for NULL is bigger than pathbuf
+	 * let's try next pathbuf */
+	if( strlen(pathbuf) + strlen(StrippedName) + 1 > sizeof(pathbuf) ) {
+		i++;
+		continue;
+	}
     strcat( pathbuf, StrippedName);
     
     /* Check for existence of the path: */