diff --git a/patches/node/.patches b/patches/node/.patches
index d3ce9997ee..48691cc539 100644
--- a/patches/node/.patches
+++ b/patches/node/.patches
@@ -51,3 +51,4 @@ net_use_asserts_in_js_socket_stream_to_catch_races_in_future.patch
 lib_fix_broadcastchannel_initialization_location.patch
 src_adapt_to_v8_exception_api_change.patch
 lib_test_do_not_hardcode_buffer_kmaxlength.patch
+fix_handle_possible_disabled_sharedarraybuffer.patch
diff --git a/patches/node/fix_handle_possible_disabled_sharedarraybuffer.patch b/patches/node/fix_handle_possible_disabled_sharedarraybuffer.patch
new file mode 100644
index 0000000000..6fee546d65
--- /dev/null
+++ b/patches/node/fix_handle_possible_disabled_sharedarraybuffer.patch
@@ -0,0 +1,37 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Shelley Vohr <shelley.vohr@gmail.com>
+Date: Mon, 2 Oct 2023 16:03:43 +0200
+Subject: fix: handle possible disabled SharedArrayBuffer
+
+It's possible for SharedArrayBuffer to be disabled with the -no-harmony-sharedarraybuffer
+flag, and so we should guard uses with a check for potential undefined-ness.
+
+This should be upstreamed to Node.js.
+
+diff --git a/lib/internal/crypto/webidl.js b/lib/internal/crypto/webidl.js
+index 9f5340c223902c5ff61def05e8a4f470b4f328e8..d6dbfa482f9ebff3f99fb810e072cf9a03d1cd4d 100644
+--- a/lib/internal/crypto/webidl.js
++++ b/lib/internal/crypto/webidl.js
+@@ -183,7 +183,10 @@ function isNonSharedArrayBuffer(V) {
+   return ObjectPrototypeIsPrototypeOf(ArrayBufferPrototype, V);
+ }
+ 
++// SharedArrayBuffers can be disabled with --no-harmony-sharedarraybuffer.
+ function isSharedArrayBuffer(V) {
++  if (SharedArrayBuffer === undefined)
++    return false;
+   return ObjectPrototypeIsPrototypeOf(SharedArrayBuffer.prototype, V);
+ }
+ 
+diff --git a/lib/internal/main/worker_thread.js b/lib/internal/main/worker_thread.js
+index be4d82086199855a10108528b3dacc663b839454..10c33bacc0529e12f52aaf1baf6d42489b2a75a7 100644
+--- a/lib/internal/main/worker_thread.js
++++ b/lib/internal/main/worker_thread.js
+@@ -108,6 +108,7 @@ port.on('message', (message) => {
+ 
+     require('internal/worker').assignEnvironmentData(environmentData);
+ 
++    // SharedArrayBuffers can be disabled with --no-harmony-sharedarraybuffer.
+     if (SharedArrayBuffer !== undefined) {
+       // The counter is only passed to the workers created by the main thread,
+       // not to workers created by other workers.