diff --git a/netpbm-fiasco-overflow.patch b/netpbm-fiasco-overflow.patch
new file mode 100644
index 0000000..850dbc3
--- /dev/null
+++ b/netpbm-fiasco-overflow.patch
@@ -0,0 +1,12 @@
+diff -up netpbm-10.47.09/converter/other/fiasco/lib/image.h.fiasco-overflow netpbm-10.47.09/converter/other/fiasco/lib/image.h
+--- netpbm-10.47.09/converter/other/fiasco/lib/image.h.fiasco-overflow	2010-01-25 09:00:48.000000000 +0100
++++ netpbm-10.47.09/converter/other/fiasco/lib/image.h	2010-01-27 10:29:48.000000000 +0100
+@@ -29,7 +29,7 @@ typedef struct image
+  *  Image data
+  */
+ {
+-   char      id [7];
++   char      id [8];
+    unsigned  reference_count;
+    unsigned  width;			/* Width of the image */
+    unsigned  height;			/* Height of the image */
diff --git a/netpbm.spec b/netpbm.spec
index 531c971..f57e7dd 100644
--- a/netpbm.spec
+++ b/netpbm.spec
@@ -1,7 +1,7 @@
 Summary: A library for handling different graphics file formats
 Name: netpbm
 Version: 10.47.09
-Release: 1%{?dist}
+Release: 2%{?dist}
 # See copyright_summary for details
 License: BSD and GPLv2 and IJG and MIT and Public Domain
 Group: System Environment/Libraries
@@ -27,6 +27,7 @@ Patch13: netpbm-glibc.patch
 Patch14: netpbm-svgtopam.patch
 Patch15: netpbm-docfix.patch
 Patch16: netpbm-ppmfadeusage.patch
+Patch17: netpbm-fiasco-overflow.patch
 Buildroot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: libjpeg-devel, libpng-devel, libtiff-devel, flex
 BuildRequires: libX11-devel, python, jasper-devel
@@ -84,6 +85,7 @@ netpbm-progs.  You'll also need to install the netpbm package.
 %patch14 -p1 -b .svgtopam
 %patch15 -p1 -b .docfix
 %patch16 -p1 -b .ppmfadeusage
+%patch17 -p1 -b .fiasco-overflow
 
 sed -i 's/STRIPFLAG = -s/STRIPFLAG =/g' config.mk.in
 
@@ -212,6 +214,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_datadir}/netpbm/
 
 %changelog
+* Wed Jan 27 2010 Jindrich Novy <jnovy@redhat.com> 10.47.09-2
+- fix buffer overflow in pnmtofiasco
+
 * Mon Jan 25 2010 Jindrich Novy <jnovy@redhat.com> 10.47.09-1
 - update to 10.47.09, fixes occassional crash in pamtosvg
 - fix documentation