From 500e5e40ec9f4134959cb468f5dd2b3e3e36421d Mon Sep 17 00:00:00 2001
From: Robert Nagy <ronagy@icloud.com>
Date: Fri, 4 Oct 2024 11:25:44 +0200
Subject: [PATCH] fix: out of bounds copy

Fixes: https://github.com/nodejs/node/issues/54573
---
 lib/v8.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/v8.js b/lib/v8.js
index b687d8709c99a0..b506d96139e33b 100644
--- a/lib/v8.js
+++ b/lib/v8.js
@@ -368,7 +368,7 @@ class DefaultDeserializer extends Deserializer {
     }
     // Copy to an aligned buffer first.
     const buffer_copy = Buffer.allocUnsafe(byteLength);
-    copy(this.buffer, buffer_copy, 0, byteOffset, byteOffset + byteLength);
+    copy(this.buffer, buffer_copy, 0, byteOffset, byteLength);
     return new ctor(buffer_copy.buffer,
                     buffer_copy.byteOffset,
                     byteLength / BYTES_PER_ELEMENT);