diff --git a/libucil-0.9.8-bz627890.patch b/libucil-0.9.8-bz627890.patch
new file mode 100644
index 0000000..f3e2853
--- /dev/null
+++ b/libucil-0.9.8-bz627890.patch
@@ -0,0 +1,17 @@
+diff --git a/src/ucil_theora.c b/src/ucil_theora.c
+index 0919a97..e2d00ef 100644
+--- a/src/ucil_theora.c
++++ b/src/ucil_theora.c
+@@ -1556,7 +1556,11 @@ ucil_theora_video_file_object_t *ucil_theora_create_video_filev( const char *pat
+    
+ #endif
+ 
+-   theora_encode_init( &vobj->th, &vobj->ti );   
++   if( theora_encode_init( &vobj->th, &vobj->ti ) != 0)
++   {
++      free( vobj );
++      return NULL;
++   }
+ 
+    vobj->full_queue = g_queue_new();
+    vobj->empty_queue = g_queue_new();
diff --git a/libucil-0.9.8-bz632439.patch b/libucil-0.9.8-bz632439.patch
new file mode 100644
index 0000000..b51434e
--- /dev/null
+++ b/libucil-0.9.8-bz632439.patch
@@ -0,0 +1,13 @@
+=== modified file 'libucil/src/ucil_rawavi.c'
+--- libucil/src/ucil_rawavi.c	2010-01-16 22:51:48 +0000
++++ libucil/src/ucil_rawavi.c	2010-08-28 09:16:53 +0000
+@@ -561,7 +561,7 @@
+       memcpy( &dst_buffer->fill_time, &buffer->fill_time, sizeof( struct timeval ) );
+       buffer->flags &= ~UNICAP_FLAGS_BUFFER_LOCKED;
+       sem_wait( &vobj->lock );
+-      g_queue_push_tail( vobj->full_queue, buffer );
++      g_queue_push_tail( vobj->full_queue, dst_buffer );
+       sem_post( &vobj->lock );
+    }
+    
+
diff --git a/libucil.spec b/libucil.spec
index ab757ea..6da5530 100644
--- a/libucil.spec
+++ b/libucil.spec
@@ -1,7 +1,7 @@
 Summary:	Library to render text and graphic overlays onto video images
 Name:		libucil
 Version:	0.9.8
-Release:	4%{?dist}
+Release:	5%{?dist}
 License:	GPLv2+
 Group:		System Environment/Libraries
 URL:		http://www.unicap-imaging.org/
@@ -13,6 +13,12 @@ Patch0:		libucil-0.9.8-alsa.patch
 # Part of the fix commited in upstream r61
 Patch1:		libucil-0.9.8-segv.patch
 
+# upstream patch for #632439
+Patch2:		libucil-0.9.8-bz632439.patch
+
+# check return value of theora_encode_init() (#627890)
+Patch3:		libucil-0.9.8-bz627890.patch
+
 BuildRequires:	intltool, /usr/bin/perl, perl(XML::Parser), gettext, gtk-doc >= 1.4
 BuildRequires:	libunicap-devel, glib2-devel, pango-devel, alsa-lib-devel
 BuildRequires:	libtheora-devel, libogg-devel, libvorbis-devel, libpng-devel
@@ -40,6 +46,8 @@ documentation of the library, too.
 %setup -q
 %patch0 -p1
 %patch1 -p1
+%patch2 -p1
+%patch3 -p1
 
 %build
 %configure --disable-rpath --enable-gtk-doc
@@ -76,6 +84,10 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/gtk-doc/html/%{name}
 
 %changelog
+* Wed Sep 15 2010 Kamil Dudka <kdudka@redhat.com> 0.9.8-5
+- upstream patch for #632439
+- check return value of theora_encode_init() (#627890)
+
 * Wed Aug 25 2010 Kamil Dudka <kdudka@redhat.com> 0.9.8-4
 - fix SIGSEGV in ucil_theora_encode_thread (#627161)