1 files changed, 3 insertions, 6 deletions

diff --git a/src/lib/libssl/ssl_clnt.c b/src/lib/libssl/ssl_clnt.c
index b59ffa0eff..c7db7257b5 100644
--- a/src/lib/libssl/ssl_clnt.c
+++ b/src/lib/libssl/ssl_clnt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_clnt.c,v 1.172 2026/05/31 14:34:44 jsing Exp $ */
+/* $OpenBSD: ssl_clnt.c,v 1.173 2026/06/06 15:24:26 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -2258,11 +2258,8 @@ ssl3_send_client_change_cipher_spec(SSL *s)
                 s->init_off = 0;
 
                 if (SSL_is_dtls(s)) {
-                        s->d1->handshake_write_seq =
-                            s->d1->next_handshake_write_seq;
-                        dtls1_set_message_header_int(s, SSL3_MT_CCS, 0,
-                            s->d1->handshake_write_seq, 0, 0);
-                        dtls1_buffer_message(s, 1);
+                        if (!dtls12_ccs_built(s))
+                                goto err;
                 }
 
                 s->s3->hs.state = SSL3_ST_CW_CHANGE_B;