diff --git a/extra/firefox/checksums b/extra/firefox/checksums
index 91d6f19c..45446ba3 100644
--- a/extra/firefox/checksums
+++ b/extra/firefox/checksums
@@ -1,4 +1,5 @@
-76bd992e27cd7ba21451b0c93659c4e27347f3086018ba996939ed4b4659095877
+3226e48657e3ca20343cd5b91d87fa705c73125c39434ea825c0c85ecafe90e9bb
+f0437c60aa4d861290d267fde30d457b72bb60d7fd8b0192e1ffa41eaf86c4f800
 bd231369e10f0300360b79ae2e9b429f1d5833f6a46b615722979c38b6ebb70882
 ee279241e461011e2265086328d9d0a913ab938bb81aa97fa22b8b9b7edf5e33bc
 8c0f419eb138061e67dbe2ac73e9c8332649fb90aacb57ac4f00d5de94c0cf23a8
diff --git a/extra/firefox/patches/fix-bundled-ffmpeg-binutils.patch b/extra/firefox/patches/fix-bundled-ffmpeg-binutils.patch
new file mode 100644
index 00000000..d96d5d79
--- /dev/null
+++ b/extra/firefox/patches/fix-bundled-ffmpeg-binutils.patch
@@ -0,0 +1,60 @@
+diff --git a/media/ffvpx/libavcodec/x86/mathops.h b/media/ffvpx/libavcodec/x86/mathops.h
+index 6298f5e..ca7e2df 100644
+--- a/media/ffvpx/libavcodec/x86/mathops.h
++++ b/media/ffvpx/libavcodec/x86/mathops.h
+@@ -35,12 +35,20 @@
+ static av_always_inline av_const int MULL(int a, int b, unsigned shift)
+ {
+     int rt, dummy;
++    if (__builtin_constant_p(shift))
+     __asm__ (
+         "imull %3               \n\t"
+         "shrdl %4, %%edx, %%eax \n\t"
+         :"=a"(rt), "=d"(dummy)
+-        :"a"(a), "rm"(b), "ci"((uint8_t)shift)
++        :"a"(a), "rm"(b), "i"(shift & 0x1F)
+     );
++    else
++        __asm__ (
++            "imull %3               \n\t"
++            "shrdl %4, %%edx, %%eax \n\t"
++            :"=a"(rt), "=d"(dummy)
++            :"a"(a), "rm"(b), "c"((uint8_t)shift)
++        );
+     return rt;
+ }
+ 
+@@ -113,19 +121,31 @@ __asm__ volatile(\
+ // avoid +32 for shift optimization (gcc should do that ...)
+ #define NEG_SSR32 NEG_SSR32
+ static inline  int32_t NEG_SSR32( int32_t a, int8_t s){
++    if (__builtin_constant_p(s))
+     __asm__ ("sarl %1, %0\n\t"
+          : "+r" (a)
+-         : "ic" ((uint8_t)(-s))
++         : "i" (-s & 0x1F)
+     );
++    else
++        __asm__ ("sarl %1, %0\n\t"
++               : "+r" (a)
++               : "c" ((uint8_t)(-s))
++        );
+     return a;
+ }
+ 
+ #define NEG_USR32 NEG_USR32
+ static inline uint32_t NEG_USR32(uint32_t a, int8_t s){
++    if (__builtin_constant_p(s))
+     __asm__ ("shrl %1, %0\n\t"
+          : "+r" (a)
+-         : "ic" ((uint8_t)(-s))
++         : "i" (-s & 0x1F)
+     );
++    else
++        __asm__ ("shrl %1, %0\n\t"
++               : "+r" (a)
++               : "c" ((uint8_t)(-s))
++        );
+     return a;
+ }
+ 
diff --git a/extra/firefox/sources b/extra/firefox/sources
index 8b06736d..31c7e49b 100644
--- a/extra/firefox/sources
+++ b/extra/firefox/sources
@@ -1,4 +1,5 @@
-https://ftp.mozilla.org/pub/firefox/releases/116.0/source/firefox-116.0.source.tar.xz
+https://ftp.mozilla.org/pub/firefox/releases/116.0.3/source/firefox-116.0.3.source.tar.xz
+patches/fix-bundled-ffmpeg-binutils.patch
 patches/fix-overalignment.patch
 patches/musl-sandbox.patch
 patches/no-atk.patch
diff --git a/extra/firefox/version b/extra/firefox/version
index 822bbe14..40c6c792 100644
--- a/extra/firefox/version
+++ b/extra/firefox/version
@@ -1 +1 @@
-116.0 1
+116.0.3 1