diff --git a/firefox.spec b/firefox.spec
index b72f019..e721a09 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -7,7 +7,7 @@
 # This also means only STABLE upstream releases, NO betas.
 # This is a discussed topic. Please, do not flame it again.
 
-%define major 17.0.1
+%define major 18.0.2
 %define ff_epoch 0
 # (tpg) set version HERE !!!
 %define realver %{major}
@@ -17,12 +17,12 @@
 %define mozillalibdir %{_libdir}/%{name}-%{major}
 %define pluginsdir %{_libdir}/mozilla/plugins
 
-# libxul.so is provided by libxulrunnner2.0.
-%if %{_use_internal_dependency_generator}
-%define __noautoreq 'libxul.so'
-%else
-%define _requires_exceptions libxul.so
-%endif
+## libxul.so is provided by libxulrunnner2.0.
+#if %{_use_internal_dependency_generator}
+#define __noautoreq 'libxul.so'
+#else
+#define _requires_exceptions libxul.so
+#endif
 
 # this seems fragile, so require the exact version or later (#58754)
 %define sqlite3_version %(pkg-config --modversion sqlite3 &>/dev/null && pkg-config --modversion sqlite3 2>/dev/null || echo 0)
@@ -69,10 +69,12 @@ Patch8:		firefox-17.0-disable-check-default-browser.patch
 Patch9:         firefox-5.0-asciidel.patch
 Patch10:	firefox-3.5.3-default-mail-handler.patch
 # Patches for kde integration of FF 
-Patch11:	firefox-17.0-kde.patch
-Patch12:	mozilla-17.0-kde.patch
+Patch11:	firefox-18.0-kde.patch
+Patch12:	mozilla-18.0-kde.patch
 Patch13:	firefox-13-fix-nspr-include.patch
-Patch14:	firefox-13-fix-cairo-build.patch
+Patch14:	firefox-18-fix-cairo-build.patch
+Patch17:        xulrunner-15.0-gcc47.patch
+Patch19:        rhbz-304121.patch
 Patch34:	xulrunner_nojit.patch
 # (cjw) use system virtualenv
 Patch36:	firefox-17.0-virtualenv.patch
@@ -87,9 +89,9 @@ BuildRequires:	zlib-devel
 BuildRequires:	glib2-devel
 BuildRequires:	libIDL2-devel
 BuildRequires:	makedepend
-BuildRequires:	nss-devel >= 2:3.12.10
+BuildRequires:	nss-devel >= 2:3.14.1
 BuildRequires:	nss-static-devel
-BuildRequires:	nspr-devel >= 2:4.8.9
+BuildRequires:	nspr-devel >= 2:4.9.4
 BuildRequires:	startup-notification-devel
 BuildRequires:	dbus-glib-devel
 BuildRequires:	python
@@ -181,6 +183,8 @@ Files and macros mainly for building Firefox extensions.
 %patch9 -p1 -b .ascii
 %patch10 -p1 -b .default-mail-handler
 %patch14 -p1
+%patch17 -p2 -b .gcc47
+%patch19 -p2 -b .rhbz-304121
 
 ## KDE INTEGRATION
 # Disable kde integration , need refactoring
@@ -372,6 +376,9 @@ cat <<FIN >%{buildroot}%{_sys_macros_dir}/%{name}.macros
 %%firefox_extdir             %%(if [ "%%_target_cpu" = "noarch" ]; then echo %%{_datadir}/mozilla/extensions/%%{firefox_appid}; else echo %%{_libdir}/mozilla/extensions/%%{firefox_appid}; fi)
 FIN
 
+# Fix libxpcom.so rights
+chmod 755 $RPM_BUILD_ROOT/%{mozillalibdir}/libxpcom.so
+
 %pre
 if [ -d %{mozillalibdir}/dictionaries ]; then
     rm -fr %{mozillalibdir}/dictionaries
@@ -398,6 +405,7 @@ fi
 %{_libdir}/%{name}-%{major}*
 #% ghost %{mozillalibdir}/defaults/profile/bookmarks.html
 %dir %{_libdir}/mozilla
+%dir %{_libdir}/mozilla/extensions
 %dir %{pluginsdir}
 %dir %{_libdir}/mozilla/extensions/%{firefox_appid}
 %dir %{_datadir}/mozilla/extensions/%{firefox_appid}