From: Zdenek Dohnal <zdohnal@redhat.com>
Date: Thu, 1 Jun 2023 10:04:00 +0000 (+0200)
Subject: cups/string.c: Return if `size` is 0 (fixes CVE-2023-32324)
X-Git-Tag: v2.4.3~7
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd8bc2d32589d1fd91fe1c0521be2a7c0462109e;p=thirdparty%2Fcups.git

cups/string.c: Return if `size` is 0 (fixes CVE-2023-32324)
---

diff --git a/cups/string.c b/cups/string.c
index 00454203c3..b4fc12050c 100644
--- a/cups/string.c
+++ b/cups/string.c
@@ -1,6 +1,7 @@
 /*
  * String functions for CUPS.
  *
+ * Copyright © 2023 by OpenPrinting.
  * Copyright © 2007-2019 by Apple Inc.
  * Copyright © 1997-2007 by Easy Software Products.
  *
@@ -730,6 +731,9 @@ _cups_strlcpy(char       *dst,		/* O - Destination string */
   size_t	srclen;			/* Length of source string */
 
 
+  if (size == 0)
+    return (0);
+
  /*
   * Figure out how much room is needed...
   */