diff --git a/src/rules.ts b/src/rules.ts
index 39fa7befbf..fd77781ea3 100644
--- a/src/rules.ts
+++ b/src/rules.ts
@@ -380,7 +380,7 @@ const tag = edit(
 
 const _inlineLabel = /(?:\[(?:\\[\s\S]|[^\[\]\\])*\]|\\[\s\S]|`+[^`]*?`+(?!`)|[^\[\]\\`])*?/;
 
-const link = edit(/^!?\[(label)\]\(\s*(href)(?:(?:[ \t]*(?:\n[ \t]*)?)(title))?\s*\)/)
+const link = edit(/^!?\[(label)\]\(\s*(href)(?:(?:[ \t]+(?:\n[ \t]*)?|\n[ \t]*)(title))?\s*\)/)
   .replace('label', _inlineLabel)
   .replace('href', /<(?:\\.|[^\n<>\\])+>|[^ \t\n\x00-\x1f]*/)
   .replace('title', /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/)
diff --git a/test/specs/redos/cubic_link_title.cjs b/test/specs/redos/cubic_link_title.cjs
new file mode 100644
index 0000000000..3066d0238a
--- /dev/null
+++ b/test/specs/redos/cubic_link_title.cjs
@@ -0,0 +1,4 @@
+module.exports = {
+  markdown: 'a[b](c'.repeat(1000),
+  html: `<p>${'a[b](c'.repeat(1000)}</p>\n`,
+};