From 07cbffd11107eed3aaf1c64e35552aec20f792da Mon Sep 17 00:00:00 2001 From: Zdenek Dohnal Date: Thu, 1 Jun 2023 12:04:00 +0200 Subject: [PATCH] cups/string.c: Return if `size` is 0 (fixes CVE-2023-32324) CVE: CVE-2023-32324 Upstream-Status: Backport [https://github.com/OpenPrinting/cups/commit/fd8bc2d32589] (cherry picked from commit fd8bc2d32589d1fd91fe1c0521be2a7c0462109e) Signed-off-by: Sanjay Chitroda --- cups/string.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/cups/string.c b/cups/string.c index 93cdad19..6ef58515 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... */