diff --git a/dhcp-4.2.4-P1.tar.bz2 b/dhcp-4.2.4-P1.tar.bz2
deleted file mode 100644
index 2bff6d4..0000000
--- a/dhcp-4.2.4-P1.tar.bz2
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8f93249ff9bd7bcf3a11cec51dc7cc5d5d7ce9767abd09fc20d7427e01f42fa4
-size 8022549
diff --git a/dhcp-4.2.4-P2.tar.bz2 b/dhcp-4.2.4-P2.tar.bz2
new file mode 100644
index 0000000..7d767fb
--- /dev/null
+++ b/dhcp-4.2.4-P2.tar.bz2
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:a992dc0b04df14fbd780dd34e744b73ce8054a05bf69ff47d5bc64e9b6a98eec
+size 8027212
diff --git a/dhcp.changes b/dhcp.changes
index 481cfdb..3a2c786 100644
--- a/dhcp.changes
+++ b/dhcp.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Thu Sep 20 12:26:53 UTC 2012 - mt@suse.com
+
+- Update to ISC dhcp-4.2.4-P2 release, providing a security fix for
+  an issue with the use of lease times was found and fixed.  Making
+  certain changes to the end time of an IPv6 lease could cause the
+  server to abort.  Thanks to Glen Eustace of Massey University,
+  New Zealand for finding this issue.
+  ([ISC-Bugs #30281], CVE: CVE-2012-3955, bnc#780167)
+
 -------------------------------------------------------------------
 Wed Jul 25 18:13:59 UTC 2012 - mt@suse.com
 
diff --git a/dhcp.spec b/dhcp.spec
index 0eeb5ef..a92884e 100644
--- a/dhcp.spec
+++ b/dhcp.spec
@@ -16,7 +16,7 @@
 #
 
 
-%define isc_version   4.2.4-P1
+%define isc_version   4.2.4-P2
 %define susefw2dir    %{_sysconfdir}/sysconfig/SuSEfirewall2.d/services
 %define omc_prefix    /usr/share/omc
 %define omc_svcdir    %{omc_prefix}/svcinfo.d
@@ -36,7 +36,7 @@ BuildRequires:  openldap2-devel
 %endif
 BuildRequires:  dos2unix
 BuildRequires:  libtool
-Version:        4.2.4.P1
+Version:        4.2.4.P2
 Release:        0.<RELEASE0>
 Summary:        Common Files Used by ISC DHCP Software
 License:        BSD-3-Clause