File: 06-CVE-2025-54812-3-Escape-html-layout-title.patch

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Description: CVE-2025-54812 - part 3 - inproper escape of thread name in htmllayoutappender
Origin: https://github.com/apache/logging-log4cxx/pull/513
Bug: https://logging.apache.org/security.html#CVE-2025-54812
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1111879

From ffc2ab7138577bca0e4f0b0d48cacd386cce09cd Mon Sep 17 00:00:00 2001
From: Stephen Webb <swebb2066@gmail.com>
Date: Mon, 21 Jul 2025 15:43:01 +1000
Subject: [PATCH] Allow a HTMLLayout title to contain characters special to
 HTML

---
 src/main/cpp/htmllayout.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/cpp/htmllayout.cpp b/src/main/cpp/htmllayout.cpp
index ed6e61d76..cce9c1dc2 100644
--- a/src/main/cpp/htmllayout.cpp
+++ b/src/main/cpp/htmllayout.cpp
@@ -183,7 +183,7 @@ void HTMLLayout::appendHeader(LogString& output, Pool& p)
 	output.append(LOG4CXX_STR("<head>"));
 	output.append(LOG4CXX_EOL);
 	output.append(LOG4CXX_STR("<title>"));
-	output.append(m_priv->title);
+	Transform::appendEscapingTags(output, m_priv->title);
 	output.append(LOG4CXX_STR("</title>"));
 	output.append(LOG4CXX_EOL);
 	output.append(LOG4CXX_STR("<style type=\"text/css\">"));