From 4fc18de5f9ae6c81c7662f4f2b1baa26d1eb1a2b Mon Sep 17 00:00:00 2001
From: Ingvar Stepanyan <rreverser@google.com>
Date: Thu, 14 May 2020 16:32:24 +0100
Subject: [PATCH] Fix use-after-free in imagequant

---
 src/codecs/imagequant/processor.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/codecs/imagequant/processor.ts b/src/codecs/imagequant/processor.ts
index be6f4da2..a8b9ae3b 100644
--- a/src/codecs/imagequant/processor.ts
+++ b/src/codecs/imagequant/processor.ts
@@ -15,7 +15,9 @@ export async function process(data: ImageData, opts: QuantizeOptions): Promise<I
     :
       module.quantize(data.data, data.width, data.height, opts.maxNumColors, opts.dither);
 
+  const imgData = new ImageData(new Uint8ClampedArray(result.buffer), result.width, result.height);
+
   module.free_result();
 
-  return new ImageData(new Uint8ClampedArray(result.buffer), result.width, result.height);
+  return imgData;
 }