diff -r 59a189a15933 Objects/unicodeobject.c
--- a/Objects/unicodeobject.c	Thu Oct 25 17:23:54 2012 -0700
+++ b/Objects/unicodeobject.c	Sat Oct 27 01:23:04 2012 +0300
@@ -5539,10 +5539,9 @@
                 /* look for the closing brace */
                 while (*s != '}' && s < end)
                     s++;
-                if (s > start && s < end && *s == '}') {
+                if (s > start && s < end && s++ - start <= INT_MAX) {
                     /* found a name.  look it up in the unicode database */
                     message = "unknown Unicode character name";
-                    s++;
                     if (ucnhash_CAPI->getcode(NULL, start, (int)(s-start-1),
                                               &chr, 0))
                         goto store;