diff --git a/CVE-2023-25751.patch b/CVE-2023-25751.patch
new file mode 100644
index 0000000000000000000000000000000000000000..dab967a1e9e264be1895630283f2f7114c1dce78
--- /dev/null
+++ b/CVE-2023-25751.patch
@@ -0,0 +1,42 @@
+From 0d657b29dc9939530315675ae5c984a858c450d1 Mon Sep 17 00:00:00 2001
+From: Iain Ireland <iireland@mozilla.com>
+Date: Thu, 10 Oct 2024 14:56:26 +0800
+Subject: [PATCH] Add testcase r=jandem
+
+---
+ js/src/jit-test/tests/ion/bug1814899.js | 23 +++++++++++++++++++++++
+ 1 file changed, 23 insertions(+)
+ create mode 100644 js/src/jit-test/tests/ion/bug1814899.js
+
+diff --git a/js/src/jit-test/tests/ion/bug1814899.js b/js/src/jit-test/tests/ion/bug1814899.js
+new file mode 100644
+index 0000000000..c5da6de864
+--- /dev/null
++++ b/js/src/jit-test/tests/ion/bug1814899.js
+@@ -0,0 +1,23 @@
++function bar(x) {
++  with ({}) {}
++  switch (x) {
++  case 1:
++    foo(2);
++    break;
++  case 2:
++    gczeal(14, 1);
++    break;
++  }
++  return "a sufficiently long string";
++}
++
++function foo(x) {
++  for (var s in bar(x)) { gczeal(0); }
++}
++
++with ({}) {}
++for (var i = 0; i < 100; i++) {
++  foo(0);
++}
++foo(1);
++
+-- 
+2.27.0
+
diff --git a/firefox.spec b/firefox.spec
index 62a192e061a2388879282155250ca1ddc8a88034..50e615b72b1c3d55f556b070fe85553d6367bf97 100644
--- a/firefox.spec
+++ b/firefox.spec
@@ -88,7 +88,7 @@
 Summary:             Mozilla Firefox Web browser
 Name:                firefox
 Version:             79.0
-Release:             32
+Release:             33
 URL:                 https://www.mozilla.org/firefox/
 License:             MPLv1.1 or GPLv2+ or LGPLv2+
 Source0:             https://archive.mozilla.org/pub/firefox/releases/%{version}/source/firefox-%{version}.source.tar.xz
@@ -213,6 +213,7 @@ Patch669:            CVE-2021-23998.patch
 Patch670:            CVE-2022-29912.patch
 Patch671:            CVE-2024-0745.patch
 Patch672:            CVE-2023-1945.patch
+Patch673:            CVE-2023-25751.patch
 
 %if %{?system_nss}
 BuildRequires:       pkgconfig(nspr) >= %{nspr_version} pkgconfig(nss) >= %{nss_version}
@@ -420,6 +421,7 @@ tar -xf %{SOURCE3}
 %patch670 -p1
 %patch671 -p1
 %patch672 -p1
+%patch673 -p1
 
 %{__rm} -f .mozconfig
 %{__cp} %{SOURCE10} .mozconfig
@@ -868,6 +870,9 @@ gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
 %endif
 
 %changelog
+* Wed Aug 14 2024 happyworker <208suo@208suo.com> - 79.0-33
+- Fix CVE-2023-25751
+
 * Wed Aug 14 2024 happyworker <208suo@208suo.com> - 79.0-32
 - Fix CVE-2023-1945