From 092c373ee72162836519f2232f19b136823dad8b Mon Sep 17 00:00:00 2001
From: Rose <83477269+AtariDreams@users.noreply.github.com>
Date: Fri, 1 Oct 2021 10:41:58 -0400
Subject: Add buffer range check.

---
 cups/snprintf.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'cups')

diff --git a/cups/snprintf.c b/cups/snprintf.c
index e4eb3e975..066252ee7 100644
--- a/cups/snprintf.c
+++ b/cups/snprintf.c
@@ -323,8 +323,8 @@ _cups_vsnprintf(char       *buffer,	/* O - Output buffer */
   * Nul-terminate the string and return the number of characters needed.
   */
 
-  if (bufptr)
-  	*bufptr = '\0';
+  if (bufptr && bufptr < bufend)
+	*bufptr = '\0';
 
   return (bytes);
 }
-- 
cgit v1.2.1