From 45f4fc9b917c11221aa03e70a41e3046335a235d Mon Sep 17 00:00:00 2001
From: Yuki Izumi <ashe@kivikakk.ee>
Date: Wed, 12 Jul 2017 18:37:48 +1000
Subject: > 32 nested balanced parens in a link is bananas

---
 src/inlines.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/inlines.c')

diff --git a/src/inlines.c b/src/inlines.c
index b864e12..c95809c 100644
--- a/src/inlines.c
+++ b/src/inlines.c
@@ -850,6 +850,8 @@ static bufsize_t manual_scan_link_url(cmark_chunk *input, bufsize_t offset) {
       else if (input->data[i] == '(') {
         ++nb_p;
         ++i;
+        if (nb_p > 32)
+          return -1;
       } else if (input->data[i] == ')') {
         if (nb_p == 0)
           break;
-- 
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