From a53b6f233e648cc01acbdd89c58786cf8ba56e35 Mon Sep 17 00:00:00 2001
From: Sushant Mittal <sushant@bigbinary.com>
Date: Thu, 14 Jul 2022 16:09:30 +0530
Subject: [PATCH] Fixed ReDoS in 'loadAnnotation' function of previous-map.js.

---
 src/previous-map.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/previous-map.js b/src/previous-map.js
index ffc1f79..2e41f8d 100644
--- a/src/previous-map.js
+++ b/src/previous-map.js
@@ -31,7 +31,7 @@ export default class PreviousMap {
     }
 
     loadAnnotation(css) {
-        let match = css.match(/\/\*\s*# sourceMappingURL=(.*)\s*\*\//);
+        let match = css.match(/\/\*\s*# sourceMappingURL=((?:(?!sourceMappingURL=).)*)\s*\*\//);
         if ( match ) this.annotation = match[1].trim();
     }