diff --git a/cups-str3266.patch b/cups-str3266.patch
new file mode 100644
index 0000000..9dddf2c
--- /dev/null
+++ b/cups-str3266.patch
@@ -0,0 +1,47 @@
+diff -up cups-1.4rc1/backend/ieee1284.c.device-id cups-1.4rc1/backend/ieee1284.c
+--- cups-1.4rc1/backend/ieee1284.c.device-id	2009-07-18 18:25:38.355769382 +0100
++++ cups-1.4rc1/backend/ieee1284.c	2009-07-18 18:25:43.844894365 +0100
+@@ -196,12 +196,19 @@ backendGetDeviceID(
+       * and then limit the length to the size of our buffer...
+       */
+ 
+-      if (length > (device_id_size - 2))
++      if (length > device_id_size)
+ 	length = (((unsigned)device_id[1] & 255) << 8) +
+ 		 ((unsigned)device_id[0] & 255);
+ 
+-      if (length > (device_id_size - 2))
+-	length = device_id_size - 2;
++      if (length > device_id_size)
++	length = device_id_size;
++
++     /*
++      * The length field counts the number of bytes in the string
++      * including the length field itself (2 bytes).
++      */
++
++      length -= 2;
+ 
+      /*
+       * Copy the device ID text to the beginning of the buffer and
+diff -up cups-1.4rc1/backend/usb-libusb.c.device-id cups-1.4rc1/backend/usb-libusb.c
+--- cups-1.4rc1/backend/usb-libusb.c.device-id	2009-01-14 19:46:43.000000000 +0000
++++ cups-1.4rc1/backend/usb-libusb.c	2009-07-18 18:25:43.845895048 +0100
+@@ -418,12 +418,14 @@ get_device_id(usb_printer_t *printer,	/*
+   * and then limit the length to the size of our buffer...
+   */
+ 
+-  if (length > (bufsize - 2))
++  if (length > bufsize)
+     length = (((unsigned)buffer[1] & 255) << 8) +
+ 	     ((unsigned)buffer[0] & 255);
+ 
+-  if (length > (bufsize - 2))
+-    length = bufsize - 2;
++  if (length > bufsize)
++    length = bufsize;
++
++  length -= 2;
+ 
+  /*
+   * Copy the device ID text to the beginning of the buffer and
diff --git a/cups.spec b/cups.spec
index 24f5d3a..04ee248 100644
--- a/cups.spec
+++ b/cups.spec
@@ -10,7 +10,7 @@
 Summary: Common Unix Printing System
 Name: cups
 Version: 1.4
-Release: 0.%{pre}.11%{?dist}.1
+Release: 0.%{pre}.12%{?dist}
 License: GPLv2
 Group: System Environment/Daemons
 Source: ftp://ftp.easysw.com/pub/cups/test//cups-%{version}%{?pre}%{?svn}-source.tar.bz2
@@ -56,7 +56,8 @@ Patch29: cups-str3259.patch
 Patch30: cups-uri-compat.patch
 Patch31: cups-str3254.patch
 Patch32: cups-str3253.patch
-Patch33: cups-avahi.patch
+Patch33: cups-str3266.patch
+Patch34: cups-avahi.patch
 Patch100: cups-lspp.patch
 Epoch: 1
 Url: http://www.cups.org/
@@ -210,7 +211,8 @@ module.
 %patch30 -p1 -b .uri-compat
 %patch31 -p1 -b .str3254
 %patch32 -p1 -b .str3253
-#%patch33 -p1 -b .avahi
+%patch33 -p1 -b .str3266
+#%patch34 -p1 -b .avahi
 
 %if %lspp
 %patch100 -p1 -b .lspp
@@ -503,6 +505,9 @@ rm -rf $RPM_BUILD_ROOT
 %{php_extdir}/phpcups.so
 
 %changelog
+* Tue Jul 28 2009 Tim Waugh <twaugh@redhat.com> 1:1.4-0.rc1.12
+- Fixed Device ID reporting in the usb backend (STR #3266).
+
 * Fri Jul 24 2009 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1:1.4-0.rc1.11.1
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_12_Mass_Rebuild