diff -up enscript-1.6.5.2/src/psgen.c.bufpos-crash enscript-1.6.5.2/src/psgen.c
--- enscript-1.6.5.2/src/psgen.c.bufpos-crash 2013-05-13 16:18:05.119393660 +0100
+++ enscript-1.6.5.2/src/psgen.c 2013-05-13 16:19:17.634739778 +0100
@@ -1928,7 +1928,7 @@ get_next_token (InputStream *is, double
bufpos--;
}
/* Check the octal notations "\\%03o". */
- else if (bufpos - 2 > w
+ else if (bufpos > 2 && bufpos - 2 > w
&& ISOCTAL (buffer[bufpos])
&& ISOCTAL (buffer[bufpos - 1])
&& ISOCTAL (buffer[bufpos - 2])