From c026e44bb557dc42516785beba00452fa462738e Mon Sep 17 00:00:00 2001
From: tompng <tomoyapenguin@gmail.com>
Date: Mon, 20 Jan 2025 20:42:20 +0900
Subject: [ruby/json] Fix parsing incomplete unicode escape "\uaaa"

https://github.com/ruby/json/commit/86c0d4eb7e
---
 ext/json/parser/parser.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ext/json/parser/parser.c')

diff --git a/ext/json/parser/parser.c b/ext/json/parser/parser.c
index 907bd0477b..de72edf4e7 100644
--- a/ext/json/parser/parser.c
+++ b/ext/json/parser/parser.c
@@ -630,7 +630,7 @@ static VALUE json_string_unescape(JSON_ParserState *state, const char *string, c
                 unescape = (char *) "\f";
                 break;
             case 'u':
-                if (pe > stringEnd - 4) {
+                if (pe > stringEnd - 5) {
                   raise_parse_error("incomplete unicode character escape sequence at '%s'", p);
                 } else {
                     uint32_t ch = unescape_unicode((unsigned char *) ++pe);
-- 
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