diff --git a/ghostscript-465311.patch b/ghostscript-465311.patch
new file mode 100644
index 0000000..ab70a8f
--- /dev/null
+++ b/ghostscript-465311.patch
@@ -0,0 +1,13 @@
+diff -up ghostscript-8.63/src/iname.c.465311 ghostscript-8.63/src/iname.c
+--- ghostscript-8.63/src/iname.c.465311	2008-10-17 11:52:31.000000000 +0100
++++ ghostscript-8.63/src/iname.c	2008-10-17 11:53:08.000000000 +0100
+@@ -415,7 +415,8 @@ names_trace_finish(name_table * nt, gc_s
+ 	    if (nt->sub[i].names == 0 && gcst != 0) {
+ 		/* Mark the just-freed sub-table as unmarked. */
+ 		o_set_unmarked((obj_header_t *)sub - 1);
+-		o_set_unmarked((obj_header_t *)ssub - 1);
++		if (ssub != 0)
++		    o_set_unmarked((obj_header_t *)ssub - 1);
+ 	    }
+ 	}
+ 	if (i == 0)
diff --git a/ghostscript.spec b/ghostscript.spec
index dd19d1d..a0c3386 100644
--- a/ghostscript.spec
+++ b/ghostscript.spec
@@ -5,7 +5,7 @@ Summary: A PostScript(TM) interpreter and renderer.
 Name: ghostscript
 Version: %{gs_ver}
 
-Release: 3%{?dist}
+Release: 4%{?dist}
 
 License: GPLv2
 URL: http://www.ghostscript.com/
@@ -21,6 +21,7 @@ Patch4: ghostscript-fPIC.patch
 Patch5: ghostscript-runlibfileifexists.patch
 Patch6: ghostscript-system-jasper.patch
 Patch7: ghostscript-pksmraw.patch
+Patch8: ghostscript-465311.patch
 
 Requires: urw-fonts >= 1.1, ghostscript-fonts
 BuildRequires: libjpeg-devel, libXt-devel
@@ -104,6 +105,9 @@ rm -rf libpng zlib jpeg jasper
 # Fix pksmraw output (bug #308211).  Still needed in 8.63.
 %patch7 -p1 -b .pksmraw
 
+# Try out a work-around for bug #465311.
+%patch8 -p1 -b .465311
+
 # Convert manual pages to UTF-8
 from8859_1() {
 	iconv -f iso-8859-1 -t utf-8 < "$1" > "${1}_"
@@ -288,6 +292,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_libdir}/libgs.so
 
 %changelog
+* Fri Oct 17 2008 Tim Waugh <twaugh@redhat.com> 8.63-4
+- Try out a work-around for bug #465311.
+
 * Wed Oct 15 2008 Tim Waugh <twaugh@redhat.com> 8.63-3
 - Don't ship fixmswrd.pl as it pulls in perl (bug #463948).