diff --git a/CVE-2015-9101.patch b/CVE-2015-9101.patch
new file mode 100644
index 0000000..ba0064d
--- /dev/null
+++ b/CVE-2015-9101.patch
@@ -0,0 +1,29 @@
+Subject: Fix decision if sample rate ratio is an integer value or not
+ If the sample rate of the input file is sufficiently close to an
+ integer multiple of the output sample rate, the value of the intratio
+ variable is calculated incorrectly. This leads to further values
+ being miscalculated up to the joff variable which is used as an index
+ to dereference the esv->blackfilt array. This leads top an overflow
+ and causes a segmentation fault.
+Author: Fabian Greffrath <fabian+debian@greffrath.com>
+Bug-Debian: https://bugs.debian.org/778529
+
+--- a/libmp3lame/util.c
++++ b/libmp3lame/util.c
+@@ -26,6 +26,7 @@
+ # include <config.h>
+ #endif
+ 
++#include <float.h>
+ #include "lame.h"
+ #include "machine.h"
+ #include "encoder.h"
+@@ -544,7 +545,7 @@ fill_buffer_resample(lame_internal_flags
+     if (bpc > BPC)
+         bpc = BPC;
+ 
+-    intratio = (fabs(resample_ratio - floor(.5 + resample_ratio)) < .0001);
++    intratio = (fabs(resample_ratio - floor(.5 + resample_ratio)) < FLT_EPSILON);
+     fcn = 1.00 / resample_ratio;
+     if (fcn > 1.00)
+         fcn = 1.00;
diff --git a/PKGBUILD b/PKGBUILD
index 143568c..00b1163 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -5,7 +5,7 @@
 
 pkgname=lame
 pkgver=3.99.5
-pkgrel=4
+pkgrel=5
 pkgdesc="A high quality MPEG Audio Layer III (MP3) encoder"
 arch=('i686' 'x86_64')
 url="http://lame.sourceforge.net/"
@@ -13,14 +13,16 @@ depends=('ncurses')
 makedepends=('nasm')
 license=('LGPL')
 source=("http://downloads.sourceforge.net/$pkgname/$pkgname-$pkgver.tar.gz"
-        "sse.patch" CVE-2017-15018.patch)
+        "sse.patch" CVE-2015-9101.patch CVE-2017-15018.patch)
 md5sums=('84835b313d4a8b68f5349816d33e07ce'
          'ca77f3259ed398ae1c55073dacdd752f'
+         '4596c5971a96a39b025460d28f24c5fa'
          'f3707ae5dbc6c84018b925ce98ce6158')
 
 prepare() {
   cd "$srcdir/$pkgname-$pkgver"
   patch -Np1 -i ../sse.patch
+  patch -Np1 -i ../CVE-2015-9101.patch
   patch -Np1 -i ../CVE-2017-15018.patch # https://sourceforge.net/p/lame/bugs/480/
 }