From 860e4a6e30c35509c36a2f29f9220d3341c9d954 Mon Sep 17 00:00:00 2001
From: orri <orri@systemb.is>
Date: Tue, 30 Apr 2024 09:50:19 +0000
Subject: [PATCH] Fix heap buffer overflow

Fixes #800
---
 cJSON.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cJSON.c b/cJSON.c
index 4f5b38dc..f1fd0b67 100644
--- a/cJSON.c
+++ b/cJSON.c
@@ -1660,6 +1660,11 @@ static cJSON_bool parse_object(cJSON * const item, parse_buffer * const input_bu
             current_item = new_item;
         }
 
+        if (input_buffer->offset+1 >= input_buffer->length)
+        {
+            goto fail; /* nothing comes after the comma */
+        }
+
         /* parse the name of the child */
         input_buffer->offset++;
         buffer_skip_whitespace(input_buffer);