cmark

My personal build of CMark ✏️

Commit
4b52529eb964fd1e949ae60e2da70ac3a0db6a9c
Parent
98ad06a6d1ff2bbba75110dbe46e5c28cae966dd
Author
John MacFarlane <jgm@berkeley.edu>
Date

JS: replace NUL characters with U+FFFD, as per spec.

Diffstat

1 file changed, 4 insertions, 0 deletions

Status File Name N° Changes Insertions Deletions
Modified js/lib/blocks.js 4 4 0 
diff --git a/js/lib/blocks.js b/js/lib/blocks.js
@@ -16,6 +16,10 @@ var isBlank = function(s) {
 // Convert tabs to spaces on each line using a 4-space tab stop.
 var detabLine = function(text) {
     "use strict";
+    if (text.indexOf('\0') !== -1) {
+        // replace NUL for security
+        text = text.replace(/\0/g, '\uFFFD');
+    }
     if (text.indexOf('\t') === -1) {
         return text;
     } else {