From 78a8af37c6fc43e5fe4487a7a0762c9473444e37 Mon Sep 17 00:00:00 2001
From: lingsheng <lingsheng@huawei.com>
Date: Fri, 4 Jun 2021 11:05:20 +0800
Subject: [PATCH] fix heap buffer overflow in redisvFormatCommand

---
 hiredis.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hiredis.c b/hiredis.c
index 73d0251..af3a079 100644
--- a/hiredis.c
+++ b/hiredis.c
@@ -375,6 +375,9 @@ int redisvFormatCommand(char **target, const char *format, va_list ap) {
 
             touched = 1;
             c++;
+            if (*c == '\0') {
+                goto format_err;
+            }
         }
         c++;
     }
-- 
2.23.0