diff --git a/cmd-set-buffer.c b/cmd-set-buffer.c
index 6e640fec6..3e540f706 100644
--- a/cmd-set-buffer.c
+++ b/cmd-set-buffer.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-set-buffer.c,v 1.37 2026/02/15 17:43:26 nicm Exp $ */
+/* $OpenBSD: cmd-set-buffer.c,v 1.38 2026/08/24 07:05:23 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -100,6 +100,7 @@ cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
 			cmdq_error(item, "%s", cause);
 			goto fail;
 		}
+		free(bufname);
 		return (CMD_RETURN_NORMAL);
 	}
 
@@ -107,8 +108,10 @@ cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
 		cmdq_error(item, "no data specified");
 		goto fail;
 	}
-	if ((newsize = strlen(args_string(args, 0))) == 0)
+	if ((newsize = strlen(args_string(args, 0))) == 0) {
+		free(bufname);
 		return (CMD_RETURN_NORMAL);
+	}
 
 	if (args_has(args, 'a') && pb != NULL) {
 		olddata = paste_buffer_data(pb, &bufsize);
@@ -127,6 +130,7 @@ cmd_set_buffer_exec(struct cmd *self, struct cmdq_item *item)
 	if (args_has(args, 'w') && tc != NULL)
  		tty_set_selection(&tc->tty, "", bufdata, bufsize);
 
+	free(bufname);
 	return (CMD_RETURN_NORMAL);
 
 fail:
diff --git a/server-client.c b/server-client.c
index 2d2617e6c..ae979a0a9 100644
--- a/server-client.c
+++ b/server-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: server-client.c,v 1.505 2026/08/20 09:19:24 nicm Exp $ */
+/* $OpenBSD: server-client.c,v 1.506 2026/08/24 07:08:19 nicm Exp $ */
 
 /*
  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -524,6 +524,7 @@ server_client_lost(struct client *c)
 	input_cancel_requests(c);
 
 	free(c->title);
+	free(c->path);
 	free((void *)c->cwd);
 
 	evtimer_del(&c->repeat_timer);
diff --git a/window-tree.c b/window-tree.c
index 342a1c3bc..69178c6c8 100644
--- a/window-tree.c
+++ b/window-tree.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: window-tree.c,v 1.94 2026/07/14 17:17:18 nicm Exp $ */
+/* $OpenBSD: window-tree.c,v 1.95 2026/08/24 07:06:58 nicm Exp $ */
 
 /*
  * Copyright (c) 2017 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -642,6 +642,7 @@ window_tree_draw_session(struct window_tree_modedata *data, struct session *s,
 			}
 			free(label);
 		}
+		format_free(ft);
 
 		if (loop != end - 1) {
 			screen_write_cursormove(ctx, cx + offset + width, cy,
@@ -790,6 +791,7 @@ window_tree_draw_window(struct window_tree_modedata *data, struct session *s,
 			}
 			free(label);
 		}
+		format_free(ft);
 
 		if (loop != end - 1) {
 			screen_write_cursormove(ctx, cx + offset + width, cy,
diff --git a/window.c b/window.c
index 57ec96610..f195c8332 100644
--- a/window.c
+++ b/window.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: window.c,v 1.370 2026/08/20 09:19:24 nicm Exp $ */
+/* $OpenBSD: window.c,v 1.372 2026/08/24 07:14:54 nicm Exp $ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -1545,16 +1545,16 @@ window_pane_free(struct window_pane *wp)
 	log_debug("pane %%%u freed (%d references)", wp->id, wp->references);
 
 	free(wp->searchstr);
-
 	screen_free(&wp->status_screen);
 	screen_free(&wp->base);
-
+	free(wp->r.ranges);
 	options_free(wp->options);
 	free((void *)wp->cwd);
 	free(wp->shell);
 	cmd_free_argv(wp->argc, wp->argv);
 	colour_palette_free(&wp->palette);
 	style_ranges_free(&wp->border_status_line.ranges);
+	free(wp->border_status_line.expanded);
 	free(wp);
 }