diff --git a/src/event/quic/ngx_event_quic.c b/src/event/quic/ngx_event_quic.c
index 9b342d7..b4033bc 100644
--- a/src/event/quic/ngx_event_quic.c
+++ b/src/event/quic/ngx_event_quic.c
@@ -482,6 +482,7 @@ ngx_quic_close_connection(ngx_connection_t *c, ngx_int_t rc)
 
         /* drop packets from retransmit queues, no ack is expected */
         for (i = 0; i < NGX_QUIC_SEND_CTX_LAST; i++) {
+            ngx_quic_free_frames(c, &qc->send_ctx[i].frames);
             ngx_quic_free_frames(c, &qc->send_ctx[i].sent);
         }
 
diff --git a/src/event/quic/ngx_event_quic_frames.c b/src/event/quic/ngx_event_quic_frames.c
index 040b618..7bcfb32 100644
--- a/src/event/quic/ngx_event_quic_frames.c
+++ b/src/event/quic/ngx_event_quic_frames.c
@@ -319,6 +319,7 @@ ngx_int_t
 ngx_quic_split_frame(ngx_connection_t *c, ngx_quic_frame_t *f, size_t len)
 {
     size_t                     shrink;
+    ngx_chain_t               *out;
     ngx_quic_frame_t          *nf;
     ngx_quic_buffer_t          qb;
     ngx_quic_ordered_frame_t  *of, *onf;
@@ -359,11 +360,13 @@ ngx_quic_split_frame(ngx_connection_t *c, ngx_quic_frame_t *f, size_t len)
     ngx_memzero(&qb, sizeof(ngx_quic_buffer_t));
     qb.chain = f->data;
 
-    f->data = ngx_quic_read_buffer(c, &qb, of->length);
-    if (f->data == NGX_CHAIN_ERROR) {
+    out = ngx_quic_read_buffer(c, &qb, of->length);
+    if (out == NGX_CHAIN_ERROR) {
         return NGX_ERROR;
     }
 
+    f->data = out;
+
     nf = ngx_quic_alloc_frame(c);
     if (nf == NULL) {
         return NGX_ERROR;
diff --git a/src/event/quic/ngx_event_quic_output.c b/src/event/quic/ngx_event_quic_output.c
index d2ced99..38006a9 100644
--- a/src/event/quic/ngx_event_quic_output.c
+++ b/src/event/quic/ngx_event_quic_output.c
@@ -882,7 +882,7 @@ ngx_quic_send_stateless_reset(ngx_connection_t *c, ngx_quic_conf_t *conf,
 ngx_int_t
 ngx_quic_send_cc(ngx_connection_t *c)
 {
-    ngx_quic_frame_t       *frame;
+    ngx_quic_frame_t        frame;
     ngx_quic_connection_t  *qc;
 
     qc = ngx_quic_get_connection(c);
@@ -898,27 +898,22 @@ ngx_quic_send_cc(ngx_connection_t *c)
         return NGX_OK;
     }
 
-    frame = ngx_quic_alloc_frame(c);
-    if (frame == NULL) {
-        return NGX_ERROR;
-    }
+    ngx_memzero(&frame, sizeof(ngx_quic_frame_t));
 
-    frame->level = qc->error_level;
-    frame->type = qc->error_app ? NGX_QUIC_FT_CONNECTION_CLOSE_APP
-                                : NGX_QUIC_FT_CONNECTION_CLOSE;
-    frame->u.close.error_code = qc->error;
-    frame->u.close.frame_type = qc->error_ftype;
+    frame.level = qc->error_level;
+    frame.type = qc->error_app ? NGX_QUIC_FT_CONNECTION_CLOSE_APP
+                               : NGX_QUIC_FT_CONNECTION_CLOSE;
+    frame.u.close.error_code = qc->error;
+    frame.u.close.frame_type = qc->error_ftype;
 
     if (qc->error_reason) {
-        frame->u.close.reason.len = ngx_strlen(qc->error_reason);
-        frame->u.close.reason.data = (u_char *) qc->error_reason;
+        frame.u.close.reason.len = ngx_strlen(qc->error_reason);
+        frame.u.close.reason.data = (u_char *) qc->error_reason;
     }
 
-    ngx_quic_queue_frame(qc, frame);
-
     qc->last_cc = ngx_current_msec;
 
-    return ngx_quic_output(c);
+    return ngx_quic_frame_sendto(c, &frame, 0, qc->path);
 }
 
 
@@ -1228,7 +1223,7 @@ ngx_quic_frame_sendto(ngx_connection_t *c, ngx_quic_frame_t *frame,
     static u_char           dst[NGX_QUIC_MAX_UDP_PAYLOAD_SIZE];
 
     qc = ngx_quic_get_connection(c);
-    ctx = ngx_quic_get_send_ctx(qc, ssl_encryption_application);
+    ctx = ngx_quic_get_send_ctx(qc, frame->level);
 
     ngx_quic_init_packet(c, ctx, &pkt, path);
 
diff --git a/src/http/v3/ngx_http_v3.c b/src/http/v3/ngx_http_v3.c
index 6d4bddb..db0be75 100644
--- a/src/http/v3/ngx_http_v3.c
+++ b/src/http/v3/ngx_http_v3.c
@@ -59,9 +59,6 @@ ngx_http_v3_init_session(ngx_connection_t *c)
 failed:
 
     ngx_log_error(NGX_LOG_ERR, c->log, 0, "failed to create http3 session");
-
-    ngx_http_v3_finalize_connection(c, NGX_HTTP_V3_ERR_INTERNAL_ERROR,
-                                    "failed to create http3 session");
     return NGX_ERROR;
 }