From: W.C.A. Wijngaards <wouter@nlnetlabs.nl>
Date: Wed, 16 Aug 2023 08:06:06 +0000 (+0200)
Subject: - Fix possibly unaligned memory access.
X-Git-Tag: release-1.18.0rc1~14^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2b1028bdad6da4d42f0571d0182322c3554e0bcc;p=thirdparty%2Funbound.git

- Fix possibly unaligned memory access.
---

diff --git a/util/data/msgparse.c b/util/data/msgparse.c
index 8cef37a17..40189d613 100644
--- a/util/data/msgparse.c
+++ b/util/data/msgparse.c
@@ -1049,7 +1049,7 @@ parse_edns_options_from_query(uint8_t* rdata_ptr, size_t rdata_len,
 			/* Copy client cookie, version and timestamp for
 			 * validation and creation purposes.
 			 */
-			memcpy(server_cookie, rdata_ptr, 16);
+			memmove(server_cookie, rdata_ptr, 16);
 
 			/* Copy client ip for validation and creation
 			 * purposes. It will be overwritten if (re)creation