From fbfb5d401f99cf40d60bdced6db36ba00262f27e Mon Sep 17 00:00:00 2001
From: Edward Firmo <94725493+edwardtfn@users.noreply.github.com>
Date: Wed, 1 Apr 2026 10:34:29 +0200
Subject: [PATCH] [nextion] Fix memory leak in `reset_()` (#15344)

Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com>
---
 esphome/components/nextion/nextion.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/esphome/components/nextion/nextion.cpp b/esphome/components/nextion/nextion.cpp
index bb3e12be50..d141ef7906 100644
--- a/esphome/components/nextion/nextion.cpp
+++ b/esphome/components/nextion/nextion.cpp
@@ -143,8 +143,17 @@ void Nextion::reset_(bool reset_nextion) {
 
   while (this->available()) {  // Clear receive buffer
     this->read_byte(&d);
-  };
+  }
+  for (auto *entry : this->nextion_queue_) {
+    if (entry->component != nullptr && entry->component->get_queue_type() == NextionQueueType::NO_RESULT) {
+      delete entry->component;  // NOLINT(cppcoreguidelines-owning-memory)
+    }
+    delete entry;  // NOLINT(cppcoreguidelines-owning-memory)
+  }
   this->nextion_queue_.clear();
+  for (auto *entry : this->waveform_queue_) {
+    delete entry;  // NOLINT(cppcoreguidelines-owning-memory)
+  }
   this->waveform_queue_.clear();
 }