From 5c816dc6441c82f1e0f4a1feccbc5c59c682edd6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Wed, 24 Jun 2026 13:19:01 +0200
Subject: [PATCH] csi: push-title: limit title stack to 128 entries

Closes #2367
---
 csi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/csi.c b/csi.c
index 0593ede0..1764516c 100644
--- a/csi.c
+++ b/csi.c
@@ -1396,7 +1396,9 @@ csi_dispatch(struct terminal *term, uint8_t final)
             case 22: { /* push window title */
                 /* 0 - icon + title, 1 - icon, 2 - title */
                 unsigned what = vt_param_get(term, 1, 0);
-                if (what == 0 || what == 2) {
+                if ((what == 0 || what == 2) &&
+                    tll_length(term->window_title_stack) < 128)
+                {
                     tll_push_back(
                         term->window_title_stack, xstrdup(term->window_title));
                 }