diff --git a/pam.spec b/pam.spec
index 04e55e3..0718dd3 100644
--- a/pam.spec
+++ b/pam.spec
@@ -12,7 +12,7 @@
 Summary: A security tool which provides authentication for applications.
 Name: pam
 Version: 0.80
-Release: 4
+Release: 5
 License: GPL or BSD
 Group: System Environment/Base
 Source0: ftp.us.kernel.org:/pub/linux/libs/pam/pre/library/Linux-PAM-%{version}.tar.bz2
@@ -33,6 +33,7 @@ Patch70: pam-0.80-selinux-nofail.patch
 Patch71: pam-0.80-install-perms.patch
 Patch72: pam-0.80-pie.patch
 Patch73: pam-0.80-cleanup.patch
+Patch74: pam-0.79-userdb-test-null.patch
 
 BuildRoot: %{_tmppath}/%{name}-root
 Requires: cracklib, cracklib-dicts >= 2.8, glib2, initscripts >= 3.94
@@ -96,6 +97,7 @@ cp $RPM_SOURCE_DIR/system-auth.pamd .
 %patch71 -p1 -b .install-perms
 %patch72 -p1 -b .pie
 %patch73 -p1 -b .cleanup
+%patch74 -p1 -b .test-null
 
 for readme in modules/pam_*/README ; do
 	cp -f ${readme} doc/txts/README.`dirname ${readme} | sed -e 's|^modules/||'`
@@ -368,6 +370,9 @@ fi
 %{_libdir}/libpam_misc.so
 
 %changelog
+* Thu Jul 28 2005 Tomas Mraz <tmraz@redhat.com> 0.80-5
+- fix NULL dereference in pam_userdb (#164418)
+
 * Tue Jul 26 2005 Tomas Mraz <tmraz@redhat.com> 0.80-4
 - fix 64bit bug in pam_pwdb
 - don't crash in pam_unix if pam_get_data fail