diff --git a/anthy-9100e-fix-segfault-vu.patch b/anthy-9100e-fix-segfault-vu.patch
new file mode 100644
index 0000000..213610b
--- /dev/null
+++ b/anthy-9100e-fix-segfault-vu.patch
@@ -0,0 +1,56 @@
+diff -pruN anthy-9100e.orig/src-splitter/metaword.c anthy-9100e/src-splitter/metaword.c
+--- anthy-9100e.orig/src-splitter/metaword.c	2007-06-18 08:27:38.000000000 +0900
++++ anthy-9100e/src-splitter/metaword.c	2008-06-27 11:53:55.000000000 +0900
+@@ -17,6 +17,7 @@
+ 
+ #include <anthy/record.h>
+ #include <anthy/splitter.h>
++#include <anthy/xchar.h>
+ #include <anthy/xstr.h>
+ #include <anthy/segment.h>
+ #include <anthy/segclass.h>
+@@ -158,6 +159,18 @@ get_surrounding_text(struct splitter_con
+     xs_post->len = post_len;
+ }
+ 
++static int
++count_vu(xstr *xs)
++{
++  int i, r = 0;
++  for (i = 0; i < xs->len; i++) {
++    if (xs->str[i] == KK_VU) {
++      r++;
++    }
++  }
++  return r;
++}
++
+ /*
+  * ʣ���Ǥ���wl����n�֤����ʬ����Ф���mw�ˤ���
+  */
+@@ -177,8 +190,12 @@ make_compound_nth_metaword(struct splitt
+   get_surrounding_text(sc, wl, &xs_pre, &xs_post);
+ 
+   for (i = 0; i <= nth; ++i) {
++    xstr part;
+     from += len;
+     len = anthy_compound_get_nth_segment_len(ce, i);
++    part.str = sc->ce[from].c;
++    part.len = len;
++    len -= count_vu(&part);
+     if (i == 0) {
+       len += xs_pre.len;
+     }
+@@ -742,7 +759,11 @@ make_metaword_with_depchar(struct splitt
+   int len = mw ? mw->len : 0;
+ 
+   /* metaword��ľ���ʸ���μ����Ĵ�٤� */
+-  int type = anthy_get_xchar_type(*sc->ce[from + len].c);
++  int type;
++  if (sc->char_count <= from + len) {
++    return;
++  }
++  type = anthy_get_xchar_type(*sc->ce[from + len].c);
+   if (!(type & XCT_SYMBOL) &&
+       !(type & XCT_PART)) {
+     return;
diff --git a/anthy.spec b/anthy.spec
index 997b106..f1e2283 100644
--- a/anthy.spec
+++ b/anthy.spec
@@ -11,6 +11,7 @@ BuildRequires:	xemacs
 
 Source0:	http://prdownloads.sourceforge.jp/anthy/29142/anthy-%{version}.tar.gz
 Source1:	anthy-init.el
+Patch0:		anthy-9100e-fix-segfault-vu.patch
 
 Summary:	Japanese character set input library
 Group:		System Environment/Libraries
@@ -50,6 +51,7 @@ character set on XEmacs.
 
 %prep
 %setup -q #-a 2
+%patch0 -p1 -b 0-vu
 #cp alt-cannadic-%{altcannadicver}/* alt-cannadic/
 
 %build
@@ -112,6 +114,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/xemacs/site-packages/lisp/site-start.d/anthy-init.el
 
 %changelog
+* Fri Jun 27 2008 Akira TAGOH <tagoh@redhat.com> - 9100e-3
+- Fix a segfault with some words containing vu. (#452779)
+
 * Tue Feb 12 2008 Akira TAGOH <tagoh@redhat.com> - 9100e-2
 - Rebuild for gcc-4.3.