From d52856a3543a116b50bb86460e3f74a65eec01d9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Patrick=20H=C3=A4rtl?= <haertl@ux3d.io>
Date: Wed, 24 Apr 2024 09:45:34 +0200
Subject: [PATCH] Add range check for hdr parsing

---
 source/libs/hdrpng.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/source/libs/hdrpng.js b/source/libs/hdrpng.js
index 13a4ce70b..2a0fd636d 100644
--- a/source/libs/hdrpng.js
+++ b/source/libs/hdrpng.js
@@ -29,7 +29,7 @@ async function loadHDR(buffer)
     const d8 = buffer;
     let format = undefined;
     // read header.
-    while (!header.match(/\n\n[^\n]+\n/g)) header += String.fromCharCode(d8[pos++]);
+    while (!header.match(/\n\n[^\n]+\n/g) && pos < d8.length) header += String.fromCharCode(d8[pos++]);
     // check format.
     format = header.match(/FORMAT=(.*)$/m);
     if (format.length < 2)