diff --git a/0001-b43-tools-fix-format-security-errors.patch b/0001-b43-tools-fix-format-security-errors.patch
new file mode 100644
index 0000000..b383d1d
--- /dev/null
+++ b/0001-b43-tools-fix-format-security-errors.patch
@@ -0,0 +1,28 @@
+From c16cb27b0add041a54e78a90a56b7ad3df1c0e48 Mon Sep 17 00:00:00 2001
+From: Troy Dawson <tdawson@redhat.com>
+Date: Fri, 6 Oct 2017 10:48:50 -0500
+Subject: [PATCH] b43-tools fix format security errors
+
+---
+ ssb_sprom/ssb_sprom.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/ssb_sprom/ssb_sprom.c b/ssb_sprom/ssb_sprom.c
+index 67aa45f..cb14703 100644
+--- a/ssb_sprom/ssb_sprom.c
++++ b/ssb_sprom/ssb_sprom.c
+@@ -678,9 +678,9 @@ static void print_banner(int forceprint)
+ 			  "Be exceedingly careful with this tool. Improper"
+ 			  " usage WILL BRICK YOUR DEVICE.\n";
+ 	if (forceprint)
+-		prdata(str);
++		prdata("%s", str);
+ 	else
+-		prinfo(str);
++		prinfo("%s", str);
+ }
+ 
+ static void print_usage(int argc, char *argv[])
+-- 
+2.14.2
+
diff --git a/b43-tools.spec b/b43-tools.spec
index cfe62f5..04a2eda 100644
--- a/b43-tools.spec
+++ b/b43-tools.spec
@@ -3,7 +3,7 @@
 
 Name:		b43-tools
 Version:	017
-Release:	10%{?dist}
+Release:	11%{?dist}
 Summary:	Tools for the Broadcom 43xx series WLAN chip
 Group:		System Environment/Base
 # assembler — GPLv2
@@ -16,6 +16,7 @@ URL:		http://bues.ch/gitweb?p=b43-tools.git;a=summary
 ## cd b43-tools
 ## git-archive --format=tar --prefix=%{name}-%{version}/ b43-fwcutter-%{version} | xz > ../%{name}-%{version}.tar.xz
 Source0:	%{name}-%{version}.tar.xz
+Patch0:		0001-b43-tools-fix-format-security-errors.patch
 BuildRequires:	bison
 BuildRequires:	flex flex-static
 BuildRequires:	python-devel
@@ -27,6 +28,7 @@ Tools for the Broadcom 43xx series WLAN chip.
 
 %prep
 %setup -q
+%patch0 -p1
 install -p -m 0644 assembler/COPYING COPYING.assembler
 install -p -m 0644 assembler/README README.assembler
 install -p -m 0644 debug/COPYING COPYING.debug
@@ -70,6 +72,9 @@ cd debug && python install.py install --skip-build --root %{buildroot}
 
 
 %changelog
+* Fri Oct 06 2017 Troy Dawson <tdawson@redhat.com> - 017-11
+- Fix format-security errors
+
 * Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 017-10
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
 
diff --git a/sources b/sources
index 941db06..a30ff82 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-48ca918054dbd93c7c388bac1a0c25e7  b43-tools-017.tar.xz
+SHA512 (b43-tools-017.tar.xz) = d667227c80d8a017acb293f49ea5d803fc64e280bae466b8089bda97428f3366fe542ec35c569c5ce4f0281a89d255ec94de6c61343727febb66ecace4a60349