diff --git a/MozillaFirefox.changes b/MozillaFirefox.changes
index 2a49628..b7b94bf 100644
--- a/MozillaFirefox.changes
+++ b/MozillaFirefox.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu Jul 18 15:27:13 UTC 2024 - Martin Jambor <mjambor@suse.com>
+
+- Add firefox-3781e3117706.patch to fix boo#1227856 aka bmo#1905018
+  where an incompatible pointer assignment is not accepted in C by
+  GCC 14.
+
 -------------------------------------------------------------------
 Mon Jul  8 20:25:10 UTC 2024 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/MozillaFirefox.spec b/MozillaFirefox.spec
index e70860c..75af304 100644
--- a/MozillaFirefox.spec
+++ b/MozillaFirefox.spec
@@ -1,5 +1,5 @@
 #
-# spec file for package MozillaFirefox
+# spec file
 #
 # Copyright (c) 2024 SUSE LLC
 # Copyright (c) 2006-2024 Wolfgang Rosenauer <wr@rosenauer.org>
@@ -233,10 +233,12 @@ Patch26:        mozilla-bmo1907511.patch
 # Firefox/browser
 Patch101:       firefox-kde.patch
 Patch102:       firefox-branded-icons.patch
+# PATCH-FIX-UPSTREAM MozillaFirefox-3781e3117706.patch bsc#1227856
+Patch103:       firefox-3781e3117706.patch
 %endif
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 Requires(post): coreutils shared-mime-info desktop-file-utils
-Requires(postun): shared-mime-info desktop-file-utils
+Requires(postun):shared-mime-info desktop-file-utils
 Requires:       %{name}-branding >= 68
 %requires_ge    mozilla-nspr
 %requires_ge    mozilla-nss
diff --git a/firefox-3781e3117706.patch b/firefox-3781e3117706.patch
new file mode 100644
index 0000000..9932e72
--- /dev/null
+++ b/firefox-3781e3117706.patch
@@ -0,0 +1,33 @@
+
+# HG changeset patch
+# User Paul Adenot <paul@paul.cx>
+# Date 1721290421 0
+# Node ID 3781e311770684d79c1c8112d18abce258e29e7f
+# Parent  fd4c60ac71c20d0cac519b517f32fc4956e0cfe3
+Bug 1905018 - Fix logctx type in dovi_rpu stub. r=media-playback-reviewers,alwu
+
+Differential Revision: https://phabricator.services.mozilla.com/D216832
+
+diff --git a/media/ffvpx/libavcodec/dovi_rpu.h b/media/ffvpx/libavcodec/dovi_rpu.h
+--- a/media/ffvpx/libavcodec/dovi_rpu.h
++++ b/media/ffvpx/libavcodec/dovi_rpu.h
+@@ -5,17 +5,17 @@
+  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+ 
+ /* Stubs for dovi_rpu.{c,h} */
+ 
+ typedef struct AVCtx AVContext;
+ 
+ typedef struct DOVICtx {
+   int dv_profile;
+-  AVContext* logctx;
++  void* logctx;
+   int operating_point;
+ } DOVIContext;
+ 
+ typedef struct AVDOVICConfRecord {
+ } AVDOVIDecoderConfigurationRecord;
+ 
+ static void ff_dovi_ctx_unref(DOVIContext* ctx) {}
+ static void ff_dovi_update_cfg(DOVIContext* ctx,
+