diff -Naur mozilla-release/configure.in mozilla-release.new/configure.in
--- mozilla-release/configure.in	2012-11-06 15:38:29.000000000 -0500
+++ mozilla-release.new/configure.in	2012-11-06 15:39:26.000000000 -0500
@@ -8886,6 +8886,11 @@
 rm conftest.sh
 
 echo $MAKEFILES > unallmakefiles
+echo ${MOZ_APP_NAME}_${MOZ_APP_VERSION} \{ >symverscript
+cat <<SYMVEREOF >>symverscript
+  global: JS_*; js_*; _Z[[NTVK0-9]]*JS*; _Z[[NTVK0-9]]*js*;
+};
+SYMVEREOF
 
 mv -f config/autoconf.mk config/autoconf.mk.orig 2> /dev/null
 
diff -Naur mozilla-release/toolkit/library/Makefile.in mozilla-release.new/toolkit/library/Makefile.in
--- mozilla-release/toolkit/library/Makefile.in	2012-11-06 15:38:29.000000000 -0500
+++ mozilla-release.new/toolkit/library/Makefile.in	2012-11-06 15:40:52.000000000 -0500
@@ -617,6 +617,8 @@
 endif
 endif
 
+EXTRA_DSO_LDOPTS += -Wl,-version-script,../../symverscript
+
 ifeq (WINNT_1,$(OS_TARGET)_$(MOZ_PROFILE_USE))
 # Wrap linker to measure peak virtual memory usage.
 LD := $(PYTHON) $(topsrcdir)/build/link.py $(CURDIR)/linker-vsize $(LD)