From 55489ea3235da7ea22d2ded9500d2c7d492a61ba Mon Sep 17 00:00:00 2001
From: tabudz <tanb74653@gmail.com>
Date: Fri, 28 Feb 2025 22:29:03 +0800
Subject: [PATCH] Fix bug #77371 (heap buffer overflow in mb regex functions -
 compile_string_node)

---
 scintilla/oniguruma/src/regcomp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/scintilla/oniguruma/src/regcomp.c b/scintilla/oniguruma/src/regcomp.c
index 10da9c442..8315b4422 100644
--- a/scintilla/oniguruma/src/regcomp.c
+++ b/scintilla/oniguruma/src/regcomp.c
@@ -1150,6 +1150,7 @@ compile_string_node(Node* node, regex_t* reg)
 
   for (; p < end; ) {
     len = enclen(enc, p);
+    if (p + len > end) len = end - p;
     if (len == prev_len) {
       slen++;
     }