diff -Nru hexchat-2.16.1/debian/changelog hexchat-2.16.1/debian/changelog
--- hexchat-2.16.1/debian/changelog	2022-12-25 20:00:26.000000000 +0000
+++ hexchat-2.16.1/debian/changelog	2024-02-22 21:45:04.000000000 +0000
@@ -1,3 +1,9 @@
+hexchat (2.16.1-1ubuntu0.23.10.1) mantic; urgency=medium
+
+  * Fix hexchat crash for specific links. (LP: #2029314)
+
+ -- Sudip Mukherjee <sudipm.mukherjee@gmail.com>  Thu, 22 Feb 2024 21:45:04 +0000
+
 hexchat (2.16.1-1build2) lunar; urgency=medium
 
   * No-change rebuild with Python 3.11 as default
diff -Nru hexchat-2.16.1/debian/control hexchat-2.16.1/debian/control
--- hexchat-2.16.1/debian/control	2022-04-22 20:51:59.000000000 +0100
+++ hexchat-2.16.1/debian/control	2024-02-22 21:45:04.000000000 +0000
@@ -1,7 +1,8 @@
 Source: hexchat
 Section: net
 Priority: optional
-Maintainer: Mattia Rizzolo <mattia@debian.org>
+Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
+XSBC-Original-Maintainer: Mattia Rizzolo <mattia@debian.org>
 Build-Depends:
  debhelper-compat (= 13),
  gettext,
diff -Nru hexchat-2.16.1/debian/patches/0001-Be-even-more-picky-about-invalid-URLs.patch hexchat-2.16.1/debian/patches/0001-Be-even-more-picky-about-invalid-URLs.patch
--- hexchat-2.16.1/debian/patches/0001-Be-even-more-picky-about-invalid-URLs.patch	1970-01-01 01:00:00.000000000 +0100
+++ hexchat-2.16.1/debian/patches/0001-Be-even-more-picky-about-invalid-URLs.patch	2024-02-22 21:45:04.000000000 +0000
@@ -0,0 +1,30 @@
+From c48afe3799e648e0ded2bf07deeb082028b6c5ac Mon Sep 17 00:00:00 2001
+From: Patrick Griffis <tingping@tingping.se>
+Date: Tue, 14 Mar 2023 21:21:22 -0500
+Subject: [PATCH] Be even more picky about invalid URLs
+
+Origin: upstream, https://github.com/hexchat/hexchat/commit/c48afe3799e648e0ded2bf07deeb082028b6c5ac
+Bug: https://github.com/hexchat/hexchat/issues/2687
+Bug-Ubuntu: https://launchpad.net/bugs/2029314
+Last-Update: 2024-02-22
+---
+ src/fe-gtk/fe-gtk.c | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/src/fe-gtk/fe-gtk.c b/src/fe-gtk/fe-gtk.c
+index 38e6172d..125ab577 100644
+--- a/src/fe-gtk/fe-gtk.c
++++ b/src/fe-gtk/fe-gtk.c
+@@ -1065,8 +1065,7 @@ uri_contains_forbidden_characters (const char *uri)
+ {
+ 	while (*uri)
+ 	{
+-		/* This is not an exhaustive list, the full URI has segments that allow characters like "[]:" for example. */
+-		if (strchr ("`<> ${}\"+", *uri) != NULL || (*uri & 0x80) /* non-ascii */)
++		if (!g_ascii_isalnum (*uri) && !strchr ("-._~:/?#[]@!$&'()*+,;=", *uri))
+ 			return TRUE;
+ 		uri++;
+ 	}
+-- 
+2.39.2
+
diff -Nru hexchat-2.16.1/debian/patches/series hexchat-2.16.1/debian/patches/series
--- hexchat-2.16.1/debian/patches/series	1970-01-01 01:00:00.000000000 +0100
+++ hexchat-2.16.1/debian/patches/series	2024-02-22 21:45:04.000000000 +0000
@@ -0,0 +1 @@
+0001-Be-even-more-picky-about-invalid-URLs.patch